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      <TotalRevEtcAuditedFinclStmtAmt>1358899</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>106744</NetUnrealizedGainsInvstAmt>
      <DonatedServicesAndUseFcltsAmt>10503</DonatedServicesAndUseFcltsAmt>
      <RevenueNotReportedAmt>117247</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>1241652</RevenueSubtotalAmt>
      <TotalRevenuePerForm990Amt>1241652</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>2359801</TotExpnsEtcAuditedFinclStmtAmt>
      <DonatedServicesUseFcltsAmt>10503</DonatedServicesUseFcltsAmt>
      <ExpensesNotReportedAmt>10503</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>2349298</ExpensesSubtotalAmt>
      <TotalExpensesPerForm990Amt>2349298</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>III 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>IN CONFORMITY WITH THE PRACTICE FOLLOWED BY MANY MUSEUMS, HISTORICAL ARTIFACTS PURCHASED BY OR DONATED TO THE HISTORY CENTER ARE NOT CAPITALIZED IN THE STATEMENT OF FINANCIAL POSITION. THE HISTORY CENTERS COLLECTION IS MADE UP OF ARTIFACTS THAT ARE HELD FOR EXHIBITION AND VARIOUS OTHER PROGRAM ACTIVITIES. EACH OF THE ITEMS IS CATALOGED, PRESERVED, AND CARED FOR, AND ACTIVITIES VERIFYING THEIR EXISTENCE AND ASSESSING THEIR CONDITION ARE PERFORMED CONTINUOUSLY. PURCHASED COLLECTION ITEMS ARE RECORDED AS DECREASES IN NET ASSETS WITHOUT DONOR RESTRICTIONS IN THE YEAR IN WHICH THE ITEMS ARE ACQUIRED, OR IN NET ASSETS WITH DONOR RESTRICTIONS IF THE NET ASSETS USED TO PURCHASE THE ITEMS ARE RESTRICTED BY THE DONOR. CONTRIBUTED COLLECTION ITEMS ARE EXCLUDED FROM THE FINANCIAL STATEMENTS. PROCEEDS FROM DEACCESSIONS OR INSURANCE RECOVERIES ARE REFLECTED AS INCREASES IN THE APPROPRIATE NET ASSET CLASSES.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="990J" softwareId="22015461" softwareVersionNum="22.0.1.0">
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>false</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>false</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>false</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>false</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>false</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>false</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>false</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>false</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>false</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>WILLIAM LAWRENCE</PersonNm>
        <TitleTxt>PRESIDENT CEO</TitleTxt>
        <BaseCompensationFilingOrgAmt>140440</BaseCompensationFilingOrgAmt>
        <OtherCompensationFilingOrgAmt>6000</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>7724</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>16854</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>171018</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="990O" softwareId="22015461" softwareVersionNum="22.0.1.0">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 IS PROVIDED IN DRAFT FORM TO THE EXECUTIVE COMMITTEE FOR REVIEW AND THEN PROVIDED TO ALL TRUSTEES FOR APPROVAL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL TRUSTEES AND EMPLOYEES ANNUALLY DISCLOSE ANY POTENTIAL CONFLICTS OF INTERESTS. ANY POTENTIAL CONFLICTS ARE REVIEWED BY THE EXECUTIVE COMMITTEE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15a</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE GOVERNANCE COMMITTEES REVIEW EXECUTIVE COMPENSATION UTILIZING COMPRABABLE DATA. SALARIES ARE APPROVED BY THE FULL BOARD AS PART OF THE BUDGET PROCESS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15b</FormAndLineReferenceDesc>
        <ExplanationTxt>COMPENSATION FOR KEY EMPLOYEES OTHER THAN THE EXECUTIVE DIRECTOR IS DETERMINED BY THE EXECUTIVE DIRECTOR THROUGH COMPARATIVE SALARY SURVEYS FOR THE MUSEUM/NONPROFIT INDUSTRY NATIONWIDE, COMPETITIVE SALARY SURVEYS WITHIN THE CULTURAL INSTITUTIONS OF BALBOA PARK AND COMPETITIVE SURVEYS BY THE SAN DIEGO EMPLOYERS ASSOCIATION. THE SALARIES ARE REVIEWED ANDCONFIRMED BY THE EXECUTIVE COMMITTEE OF THE BOARD OF TRUSTEES AND THE BOARD THROUGH THE BUDGET PROCESS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part I, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL GOVERNING DOCUMENTS ARE AVAILABLE FOR PUBLIC INSPECTION DURING REGULAR BUSINESS HOURS AT THE ORGANIZATIONS OFFICES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part III, Line 4a</FormAndLineReferenceDesc>
        <ExplanationTxt>EXHIBITIONS AND COLLABORATIONS THE HISTORY CENTER OPENED 2 NEW EXHIBITIONS IN BALBOA PARK DURING THE PANDEMIC WITH ON-LINE COMPONENTS THAT FOCUS ON SAN DIEGOS BLACK HISTORY HERITAGE NATHAN HARRISON BORN ENSLAVED, DIED A SAN DIEGO LEGEND AND CELEBRATE SAN DIEGO BLACK HISTORY HERITAGE. OUR PUBLIC PROGRAMS HAVE SEEN A 30 INCREASE IN THE NUMBER OF PARTICIPANTS AS THEY HAVE TRANSITIONED TO ZOOM. COMMUNITY COLLABORATIONS REMAIN A CORE FOCUS OF THE HISTORY CENTER WITH SMITHSONIAN AFFILIATION TO PRESENT DR. DAMION THOMAS, SPORTS CURATOR WITH THE SMITHSONIANS NATIONAL MUSEUM OF AFRICAN AMERICAN MUSEUM OF AFRICAN AMERICAN OF HISTORY CULTURE ON CURATING THE BLACK LIVES MATTER MOVEMENT. IN CONJUNCTION WITH THE CELEBRATE SAN DIEGO BLACK HISTORY HERITAGE AND NATHAN HARRISON BORN ENSLAVED, DIED A SAN DIEGO LEGEND EXHIBITIONS, AND IN COLLABORATION WITH SDSU ALUMNI ASSOCIATION, WE PRESENTED LIVE PROGRAMMING FROM BOTH PALOMAR MOUNTAIN THE NATE HARRISON ARCHEOLOGICAL SITE AND THE BALBOA PARK MUSEUM. ADDITIONALLY, THE HISTORY CENTER HAS RELOCATED THE WOMENS MUSEUM OF CALIFORNIAS ARCHIVE AND OPERATIONS TO THE HISTORY CENTER FROM LIBERY STATION. THE HISTORY CENTER IS ALSO COLLABORATING WITH CINEWEST PRODUCTIONS AND DIRECTOR ISAAC ARTENSTEIN TO CREATE AN ORAL HISTORY ARCHIVE OF SAN DIEGOS JEWISH COMMUNITY FROM THE INTERVIEWS DONE FOR THE DOCUMENTARY FILM TO THE ENDS OF THE EARTH A PORTRAIT OF JEWISH SAN DIEGO AND EXHIBITION CELEBRATE SAN DIEGO JEWISH HISTORY HERITAGE. AT THE SERRA MUSEUM IN PRESIDIO PARK, WE CONTINUE OUR LONG-STANDING COLLABORATIONS WITH THE SAN DIEGO RIVER CONSERVANCY AND KUMEYAAY DIEGUENO LAND CONSERVANCY. IN ADDITION, THE HISTORY CENTER HAS PARTNERED WITH THE 53RD CONGRESSIONAL DISTRICT SERVING AS THE HOST GALLERY FOR CONGRESSWOMEN SARA JACOBS PARTICIPATION IN THE NATIONAL CONGRESSIONAL ART COMPETITION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part III, Line 4b</FormAndLineReferenceDesc>
        <ExplanationTxt>EDUCATION PUBLIC PROGRAMMING THE HISTORY CENTER OFFERS BOTH K12 AND ADULT EDUCATIONAL PROGRAMMING. IN ADDITION, FOR THE FIRST TIME, THE HISTORY CENTER IS OFFERING SUMMER PROGRAMMING THROUGH THE SAN DIEGO UNIFIED SCHOOL DISTRICTS LEVEL UP PROGRAM. THE LEVEL UP GRANT HAS ALLOWED US TO COMMIT TO INCREASED COMPENSATION FOR OUR EDUCATION TEAM, AND TO ADD A SUMMER POSITION THAT WE HOPE TO BE ABLE TO MAKE A YEARROUND POSITION. OUR EDUCATIONALPROGRAMMING HAS RECEIVED VERY POSITIVE REVIEWS, INCLUDING FROM SITP TEAM AND STUDENTS PARTICIPATING IN THE LEVEL UP PROGRAM AND THEIR PARENTS.AMONG THE FEEDBACK FROM OUR FIRST GROUP OF LEVEL UP STUDENTS/PARENTS PLEASE LET THEM KNOW MY SON WAS REINVIGORATED EMOTIONALLY AND INTELLECTUALLY AND HIS MOM AND DAD ARE GRATEFUL FOR YOUR PROGRAM AND FOR THE AWESOME STAFF. THE TEACHERS WERE GREAT AND HANDS ON ACTIVITIES WERE FUN. THANKS YOURE DOING AMAZING AND MY CHILD WILL MISS YOU ALL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part III, Line 4c</FormAndLineReferenceDesc>
        <ExplanationTxt>COLLECTIONS AND ARCHIVE THE HISTORY CENTER HAS HISTORICALLY HAD THREE MAIN COLLECTING AREAS - THE OBJECT COLLECTION, THE DOCUMENT ARCHIVES, AND THE PHOTOGRAPHY COLLECTION. THE OBJECTS COLLECTION CONTAINS APPROXIMATELY 16,000 ITEMS, INCLUDING OBJECTS THAT ARE EXTRAORDINARY, OBJECTS OF DAILY LIFE, DECORATIVE ARTS, FINE ARTS, AND ONE OF THE MOST NOTABLE HISTORIC CLOTHING COLLECTIONS IN THE COUNTRY. THE DOCUMENT ARCHIVES CONSISTS OF COUNTY RECORDS, MAPS, UNPUBLISHED MANUSCRIPTS, NEWSPAPERS, ARCHITECTURAL RECORDS, EPHEMERA, AND ONE OF THE LARGEST ORAL HISTORY COLLECTIONS IN CALIFORNIA. THE HISTORY CENTERS COLLECTION OF HISTORIC PHOTOGRAPHS INCLUDE APPROXIMATELY 2.5 MILLION IMAGES AND IS ONE OF THE MOST IMPORTANT REGIONAL PHOTOGRAPHY COLLECTIONS IN THE UNITED STATES. THE HISTORY CENTER ADDS TO COLLECTIONS ON AN ONGOING BASIS, PRIMARILY THROUGH DONATIONS. ITEMS FROM THE COLLECTIONS ARE USED IN EXHIBITIONS REPRODUCTIONS OF IMAGES CAN BE SEEN IN BOOKS, MAGAZINES, REPORTS, FILM, TELEVISION, ADVERTISING, AND ON THE WALLS OF NUMEROUS SAN DIEGO REGIONAL BUSINESSES, ORGANIZATIONS, AND HOMES. THE HISTORY CENTER, AS PART OF AN ON-GOING COLLECTION MANAGEMENT AND STEWARDSHIP, REVIEWS ITS COLLECTIONS IN ACCORDANCE WITH ITS MISSION. THE PROCESS OF DEACCESSION, OR REMOVING ITEMS FROM THE COLLECTION, IS DONE IN ACCORDANCE WITH THE INSTITUTIONS COLLECTIONS POLICY, AND IN ACCORDANCE WITH INDUSTRY BEST PRACTICES.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
