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      </CYMinus1YrEndwmtFundGrp>
      <CYMinus2YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>14442256</BeginningYearBalanceAmt>
        <ContributionsAmt>288198</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>2557884</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>676219</OtherExpendituresAmt>
        <EndYearBalanceAmt>16612119</EndYearBalanceAmt>
      </CYMinus2YrEndwmtFundGrp>
      <CYMinus3YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>13918486</BeginningYearBalanceAmt>
        <ContributionsAmt>81652</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>1105297</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>663179</OtherExpendituresAmt>
        <EndYearBalanceAmt>14442256</EndYearBalanceAmt>
      </CYMinus3YrEndwmtFundGrp>
      <CYMinus4YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>12957040</BeginningYearBalanceAmt>
        <ContributionsAmt>39870</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>1571326</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>649750</OtherExpendituresAmt>
        <EndYearBalanceAmt>13918486</EndYearBalanceAmt>
      </CYMinus4YrEndwmtFundGrp>
      <BoardDesignatedBalanceEOYPct>0.56370</BoardDesignatedBalanceEOYPct>
      <PrmnntEndowmentBalanceEOYPct>0.24460</PrmnntEndowmentBalanceEOYPct>
      <TermEndowmentBalanceEOYPct>0.19170</TermEndowmentBalanceEOYPct>
      <EndowmentsHeldUnrelatedOrgInd>0</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>0</EndowmentsHeldRelatedOrgInd>
      <LandGrp>
        <OtherCostOrOtherBasisAmt>200000</OtherCostOrOtherBasisAmt>
        <BookValueAmt>200000</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>7583715</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>4026257</DepreciationAmt>
        <BookValueAmt>3557458</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>901947</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>854026</DepreciationAmt>
        <BookValueAmt>47921</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>247100</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>245597</DepreciationAmt>
        <BookValueAmt>1503</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>3806882</TotalBookValueLandBuildingsAmt>
      <OtherSecuritiesGrp>
        <Desc>Private equities</Desc>
        <BookValueAmt>1351567</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>Alternative investments</Desc>
        <BookValueAmt>52493</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>Beneficial interest in a Trust</Desc>
        <BookValueAmt>2010003</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <TotalBookValueSecuritiesAmt>3414063</TotalBookValueSecuritiesAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>Charitable remainder unitrust payable</Desc>
        <Amt>118105</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>118105</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>5226916</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>2851206</NetUnrealizedGainsInvstAmt>
      <DonatedServicesAndUseFcltsAmt>50984</DonatedServicesAndUseFcltsAmt>
      <OtherRevenueAmt>249575</OtherRevenueAmt>
      <RevenueNotReportedAmt>3151765</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>2075151</RevenueSubtotalAmt>
      <OtherRevenuesNotIncludedAmt>29039</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>29039</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>2104190</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>2128312</TotExpnsEtcAuditedFinclStmtAmt>
      <DonatedServicesUseFcltsAmt>50984</DonatedServicesUseFcltsAmt>
      <OtherExpensesIncludedAmt>14363</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>65347</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>2062965</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>2062965</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part III, Line 1a:</FormAndLineReferenceDesc>
        <ExplanationTxt>In accordance with SFAS 116, the Society has elected not to report collection items in its Statement of Financial Position or Statement of Activities. Collection items acquired either through purchase or donation are not capitalized. Purchases of collection items are recorded as a decrease in unrestricted net assets if purchased with unrestricted assets and as decreases in temporarily restricted or permanently restricted net assets if purchase with donor-restricted assets. Contributions of collection items are not recognized in the Statement of Activities. The Society has a policy that requires net proceeds realized from the sale or transfer of deaccessioned objects will be used only for acquisition and conservation of collections. The Society's collections include books, manuscripts, photographs, research materials and objects relating to the history of New Hampshire. These collections have been acquired by donation, bequests, and purchases. Collection items are acquired or conserved based on the Society's long-range plans for collections development. Collections are made available for scholarly use by the public and maintained under appropriate security and preservation conditions.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part III, Line 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Society's collections include books, manuscripts, photographs, research materials, and objects relating to the history of New Hampshire. These collections have been acquired by donation, bequests, and purchases. Collection items are acquired or conserved based on the Society's long-range plans for collections development. Collections are made available for scholarly use by the public and maintained under appropriate security and preservation conditions.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part V, Line 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Society has adopted investment and spending policies for endowment assets that attempt to provide a predictable stream of funding to programs supported by its endowment funds while also maintaining the purchasing power of those endowment assets over the long-term.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part X, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Society is a not-for-profit organization exempt under Section 501(c)(3) of the Internal Revenue Code and is classified as other than a private foundation; however, certain unrelated business income is subject to federal taxation. The Society has adopted the provisions of ASC 740, Accounting for Uncertainty in Income Taxes. Accordingly, management has evaluated the Society's tax positions and concluded the Society had maintained its tax-exempt status, does not have any significant unrelated business income and had taken no uncertain tax positions that require adjustment or disclosure in the financial statements. With few exceptions, the Society is no longer subject to income tax examinations by the U.S. Federal or State tax authorities for years before 2018.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XI, Line 2d - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Change in value of beneficial interest in a trust 235,212. Museum store cost of goods sold 14,363.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XI, Line 4b - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Change in present value of charitable remainder unitrust 29,039.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XII, Line 2d - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Museum store cost of goods sold 14,363.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="RetDoc1040500001">
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>Central America and the Caribbean</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>Foreign investments</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>1352000</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalOfficesCnt>0</SubtotalOfficesCnt>
      <SubtotalEmployeesCnt>0</SubtotalEmployeesCnt>
      <ContinuationTotalOfficeCnt>0</ContinuationTotalOfficeCnt>
      <ContinuationTotalEmployeeCnt>0</ContinuationTotalEmployeeCnt>
      <TotalOfficeCnt>0</TotalOfficeCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <SubtotalSpentAmt>1352000</SubtotalSpentAmt>
      <ContinuationSpentAmt>0</ContinuationSpentAmt>
      <TotalSpentAmt>1352000</TotalSpentAmt>
      <TransferToForeignCorpInd>0</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>1</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>0</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>0</ForeignPartnershipInd>
      <BoycottCountriesInd>0</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part III Accounting Method:</FormAndLineReferenceDesc>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule F, Part IV, Line 3:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Organization held an interest in a Cayman Islands exempted company during the tax year covered by this tax return. The Organization did not hold an adequate controlling interest to require filing Form 5471, and the Organization did not make any transfers to the foreign entity during this tax year.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleF>
    <IRS990ScheduleG documentId="RetDoc1041300001">
      <GamingInformationGrp>
        <GrossRevenueOtherGamingAmt>71073</GrossRevenueOtherGamingAmt>
        <OthDirectExpnssOtherGamingAmt>3500</OthDirectExpnssOtherGamingAmt>
        <VolunteerLaborOtherGamingInd>0</VolunteerLaborOtherGamingInd>
        <GrossRevenueTotalGamingAmt>71073</GrossRevenueTotalGamingAmt>
        <OthDirectExpnssTotalGamingAmt>3500</OthDirectExpnssTotalGamingAmt>
        <DirectExpenseSummaryGamingAmt>3500</DirectExpenseSummaryGamingAmt>
        <NetGamingIncomeSummaryAmt>67573</NetGamingIncomeSummaryAmt>
      </GamingInformationGrp>
      <StatesWhereGamingConductedCd>NH</StatesWhereGamingConductedCd>
      <LicensedInd>1</LicensedInd>
      <LicenseSuspendedEtcInd>0</LicenseSuspendedEtcInd>
      <GamingWithNonmembersInd>1</GamingWithNonmembersInd>
      <MemberOfOtherEntityInd>0</MemberOfOtherEntityInd>
      <GamingOwnFacilityPct>0.00000</GamingOwnFacilityPct>
      <GamingOtherFacilityPct>1.00000</GamingOtherFacilityPct>
      <PersonsWithBooksName>
        <BusinessNameLine1Txt>Michael E Marr Director of Finance</BusinessNameLine1Txt>
      </PersonsWithBooksName>
      <PersonsWithBooksUSAddress>
        <AddressLine1Txt>30 Park Street</AddressLine1Txt>
        <CityNm>Concord</CityNm>
        <StateAbbreviationCd>NH</StateAbbreviationCd>
        <ZIPCd>03301</ZIPCd>
      </PersonsWithBooksUSAddress>
      <CntrctWith3rdPrtyForGameRevInd>1</CntrctWith3rdPrtyForGameRevInd>
      <GamingRevenueReceivedByOrgAmt>67573</GamingRevenueReceivedByOrgAmt>
      <GamingRevenueRtnBy3PrtyAmt>3500</GamingRevenueRtnBy3PrtyAmt>
      <ThirdPartyBusinessName>
        <BusinessNameLine1Txt>Boston Billiards Club &amp; Casino</BusinessNameLine1Txt>
      </ThirdPartyBusinessName>
      <ThirdPartyUSAddress>
        <AddressLine1Txt>55 Northeastern Boulevard</AddressLine1Txt>
        <CityNm>Nashua</CityNm>
        <StateAbbreviationCd>NH</StateAbbreviationCd>
        <ZIPCd>03062</ZIPCd>
      </ThirdPartyUSAddress>
      <GamingManagerBusinessName>
        <BusinessNameLine1Txt>Boston Billiards Club &amp; Casino</BusinessNameLine1Txt>
      </GamingManagerBusinessName>
      <GamingManagerCompensationAmt>3500</GamingManagerCompensationAmt>
      <GamingManagerServicesProvTxt>Refer to Schedule G, Supplemental Information</GamingManagerServicesProvTxt>
      <GamingManagerIsIndCntrctInd>X</GamingManagerIsIndCntrctInd>
      <CharitableDistributionRqrInd>0</CharitableDistributionRqrInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule G, Part III, Gaming, Manager and Services Disclosure</FormAndLineReferenceDesc>
        <ExplanationTxt>During the year, the Society obtained a license from the State of New Hampshire to conduct a gaming and casino event. The gaming event was held in coordination with Boston Billiards Club and Casino of Nashua, NH (the "Club"). The Club provided all facilities, equipment, and staffing to host the event, and all gaming activities were done on the Club's property and business premises. The Society paid the Club a fee to provide these services. The Society was also required to have one employee on the Club's premises for each day of the gaming event to sign off and approve of the gaming functions, but was not otherwise involved in the direct operation or running of the gaming and gambling activity. Boston Billiard Club &amp; Casino donates 35 percent of all gaming proceeds the Society.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleG>
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      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <Form990OfOtherOrganizationsInd>X</Form990OfOtherOrganizationsInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>William Dunlap</PersonNm>
        <TitleTxt>President &amp; CEO</TitleTxt>
        <BaseCompensationFilingOrgAmt>143360</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>709</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>7204</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>22</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>151295</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleL documentId="RetDoc1042800001">
      <LoansBtwnOrgInterestedPrsnGrp>
        <PersonNm>William H Dunlap</PersonNm>
        <RelationshipWithOrgTxt>Board President</RelationshipWithOrgTxt>
        <LoanPurposeTxt>Capital Improvements</LoanPurposeTxt>
        <LoanToOrganizationInd>X</LoanToOrganizationInd>
        <OriginalPrincipalAmt>165000</OriginalPrincipalAmt>
        <BalanceDueAmt>0</BalanceDueAmt>
        <DefaultInd>0</DefaultInd>
        <BoardOrCommitteeApprovalInd>1</BoardOrCommitteeApprovalInd>
        <WrittenAgreementInd>1</WrittenAgreementInd>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule L, Part II, Loans from Interested Persons</FormAndLineReferenceDesc>
        <ExplanationTxt>William H. Dunlap served as the President of the New Hampshire Historical Society during the tax year ending September 30, 2021. Mr. Dunlap is also the Chair of the Board of Directors for Merrimack County Savings Bank, a financial institution. In 2015, the Society obtained a loan for $165,000 from the Bank to be used for capital improvements. The loan was approved by the Board, pursuant to a written agreement, and was subject to terms and conditions that were comparable with loans of similar size and risk. During the year, the loan was paid off in full.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleL>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <SecuritiesPubliclyTradedGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>2</ContributionCnt>
        <NoncashContributionsRptF990Amt>15139</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>Gift Date FMV</MethodOfDeterminingRevenuesTxt>
      </SecuritiesPubliclyTradedGrp>
      <AnyPropertyThatMustBeHeldInd>0</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>1</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>0</ThirdPartiesUsedInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 33:</FormAndLineReferenceDesc>
        <ExplanationTxt>In accordance with SFAS 116, the Society has elected not to report collection items in its Statement of Financial Position or Statement of Activities. Collection items acquired either through purchase or donation are not capitalized. Purchases of collection items are recorded as a decrease in unrestricted net assets if purchased with unrestricted assets and as decreases in temporarily restricted or permanently restricted net assets if purchase with donor-restricted assets. Contributions of collection items are not recognized in the Statement of Activities. The Society has a policy that requires net proceeds realized from the sale or transfer of deaccessioned objects will be used only for acquisition and conservation of collections. The Society's collections include books, manuscripts, photographs, research materials and objects relating to the history of New Hampshire. These collections have been acquired by donation, bequests, and purchases. Collection items are acquired or conserved based on the Society's long-range plans for collections development. Collections are made available for Scholarly use by the public and maintained under appropriate security and preservation conditions.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 2</FormAndLineReferenceDesc>
        <ExplanationTxt>Ann Remus and Paul Remus, who both served on the Society's Board during the fiscal year covered by this tax return, share a family relationship.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>Membership Categories: the Society shall consist of individual, couple, family, life, business, and institutional members in good standings by virtue of their having paid their dues and such other categories of membership as may from time to time be established by the Board of Trustees, including complimentary members who are not required to pay any dues. Qualifications: membership shall be open to all of the above who are interested in furthering the purposes and work of the Society, to be effective upon payment of designated dues, and shall be valid for one year from the date of payment. Rights and Privileges of Membership: only those members of all categories that have paid their dues and are in good standing shall be entitled to vote, one vote per member, at all meetings of the members, and to the full privileges of membership in the Society, as determined from time to time by, and subject to such regulations as may be prescribed by, the Board of Trustees. Voting is limited to persons eighteen (18) years of age or older. Voting may be exercised in person or by proxy as determined by the Trustees, in which event proxies shall be counted for the purpose of determining a quorum. Dues: the Board of Trustees shall from time to time determine the amount of annual dues payable by members of each category. When any member shall become delinquent in the payment of dues, his or her membership shall terminate and he or she shall no longer be a member in good standing.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>The Members vote to elect members of the Board of Trustees at the annual meeting. Members do not vote to elect Officers of the Board; Officers are elected by the Board itself. Additionally, it is the Organization's Board of Trustees, as elected by the Members, that shall establish all Society policies, plans, programs, budgets, and expenses; the Members themselves do not engage in these governance decisions.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>The Organization engages an independent public accounting firm to prepare its Form 990 on its behalf. The completed Form 990 is presented by the engaged accountants to the applicable officers and to the full Board of Trustees prior to filing.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Trustees having a real or apparent conflict of interest in any matter before the Board must disclose the possible conflict and exclude themselves from the discussion and/or the vote on the matter in question. Trustees having an interest in a proposed pecuniary benefit transaction with the Society that is brought before the Board shall have an affirmative obligation to disclose such interest and shall be prohibited from being present during or participating in the discussion on the subject or voting thereon. The Board shall authorize the Society to enter into such transactions only in accordance with the applicable provisions of RSA 7:19-A.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 15</FormAndLineReferenceDesc>
        <ExplanationTxt>The Executive and Compensation Committees of the Society strive to ensure that the process for determining the compensation and benefits offered to the top officials and executives of the New Hampshire Historical Society is efficient, effective, and ultimately serves the public and furthers the Society's mission. The Institution adheres to good governance practices in establishing executive compensation. The Executive Committee serves as the Compensation Committee of the Society and makes recommendations to the full Board of Trustees in matters of the President's terms of employment, including compensation and benefits. The compensation and benefits of the President are set forth in either a written compensation and benefits term sheet, or in a formal written employment agreement executed between the Society and the President. The Executive Committee will submit the recommended compensation term sheet or formal employment agreement with the President to the Board of Trustees for discussion and action. The Board and Executive Committee discuss the matter during a portion of the board meeting when the President is excused from the meeting and not present. The term sheet or formal agreement with the President must be approved by a majority vote of the Board of Trustees present at a duly called and held Board of Trustees meeting where the required quorum of Directors is present to conduct a meeting. Comparisons of public data on compensation are used and documented in determining the President's compensation, as well as facts and circumstances relating to the past performance of the President. The President's compensation package is reviewed regularly by the Board of Trustees. The President of the Society is responsible for all administrative details and for the implementation of policies, programs, and long range objectives approved by the Board of Trustees, including compensation and benefits offered to officers and senior managers. The President exercises full supervision and management of all personnel, assigns duties, and so forth within the policies approved by the Board. Compensation for senior managers is determined through a due diligence process that the President employs based upon the comparisons of public data, particularly the published wage scales of the New England Museum Association, past performance, and the ambitious goals stated in senior managers' annual work plan objectives. Overall compensation is reviewed by the Finance Committee and a recommendation is made to the Board of Trustees for their approval as part of the annual budget process.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>The Society's audited financial statements are available on the Society's website, or by appointment at the library. The governing documents and conflict of interest policy are available by appointment at the Society's library in Concord, NH.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, line 11g</FormAndLineReferenceDesc>
        <ExplanationTxt>Maintenance service contracts: Program service expenses 34,431. Management and general expenses 16,401. Fundraising expenses 1,190. Total expenses 52,022. Admin and communication services: Program service expenses 126,525. Management and general expenses 60,269. Fundraising expenses 4,374. Total expenses 191,168. Facilities contract services: Program service expenses 26,407. Management and general expenses 12,579. Fundraising expenses 913. Total expenses 39,899. Library catalog contracts: Program service expenses 3,309. Management and general expenses 1,576. Fundraising expenses 114. Total expenses 4,999.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, line 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>Change in present value of charitable remainder unitrust -29,039. Change in value of beneficial interest in a trust 235,212.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XII, Line 2c:</FormAndLineReferenceDesc>
        <ExplanationTxt>For its year ending September 30, 2021, the Society engaged a different independent public accounting firm to perform an audit of the Society's financial statements, and to assist in the preparation of the Society's Form 990 than it has used in the past. The audit process was subject to the review and oversight of the Society's finance committee and executive committee.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>Charitable Remainder Trust</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <PrimaryActivitiesTxt>Income and distributions for beneficiaries</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NH</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <EntityTypeTxt>T</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>0</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>0</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>
