Events
- 1769 – The de Portolá Expedition establishes a base in California, and sets out to find the Port of Monterey (now Monterey, California).
- 1771 – Foundation of the Mission San Antonio de Padua in modern California by the Franciscan friar Junípero Serra.
- 1798 – The Sedition Act becomes United States law making it a federal crime to write, publish, or utter false or malicious statements about the United States government.
- 1943 – In Joplin, Missouri, George Washington Carver National Monument becomes the first United States National Monument in honor of a black American.
- 1965 – Mariner 4 flyby of Mars takes the first close-up photos of another planet.
- 1969 – The United States $500, $1,000, $5,000 and $10,000 bills are officially withdrawn from circulation.