1790 – The U.S. Congress moves from New York City to Philadelphia.
1877 – The first edition of The Washington Post is published.
1884 – The Washington Monument in Washington, D.C., is completed.
1904 – Theodore Roosevelt articulated his “Corollary” to the Monroe Doctrine, stating that the U.S. would intervene in the Western Hemisphere should Latin American governments prove incapable of unstable.
1947 – The Everglades National Park in Florida is dedicated.
1967 – Adrian Kantrowitz performs the first human heart transplant in the United States.
1973 – The U.S. House of Representatives votes 387-35 to confirm Gerald Ford as Vice President of the United States.
2017 – President Donald Trump’s administration officially announces the recognition of Jerusalem as capital of Israel.