Supported by the following organizations
This is to certify that Christine Mary Zirkelbach successfully completed and received a passing grade in USHIS1.2x: Smithsonian's Objects That Define America a course of study offered by SmithsonianX, an online learning initiative of Smithsonian Institution.
Noted by
Dr. Richard Kurin
Under Secretary for History, Art and Culture Smithsonian Institution
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- Verified Certificate Issued March 14, 2021
- Valid Certificate ID 7fe98034f3654c2e9c162686bd20908b