The Gold Standard Act of 1900 (ratified on March 14) established gold as the only standard for redeeming paper money[?], stopping bimetallism (which had allowed silver in exchange for gold).
... 1796, 1800, 1804, 1808, 1812, 1816
Source: U.S. Office of the Federal Register (http://www.archives.gov/federal_register/electoral_college/scores.html#1804)
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