Events
- 1621 – The Dutch West India Company receives a charter for New Netherlands.
- 1770 – Mission San Carlos Borromeo de Carmelo is founded in Carmel-by-the-Sea, California.
- 1800 – U.S. President John Adams takes up residence in Washington, DC (in a tavern – the White House was not yet completed).
- 1850 – The traditional founding date of Kansas City, Missouri. This was the date on which it was first incorporated by Jackson County, Missouri as the "City of Kansas".
- 1864 – American Civil War: Battle of Cold Harbor – Union forces attack Confederate troops in Hanover County, Virginia.
- 1866 – Fenians are driven out of Fort Erie, Ontario, into the United States to a heroes' welcome.
- 1888 – The poem "Casey at the Bat", by Ernest Lawrence Thayer, is published in the San Francisco Examiner.
- 1889 – The first long–distance electric power transmission line in the United States is completed, running 14 miles between a generator at Willamette Falls and downtown Portland, Oregon, United States.
- 1916 – The ROTC is established by the U.S. Congress.
- 1916 – The National Defense Act is signed into law, increasing the size of the United States National Guard by 450,000 men.
- 1943 – A mob of 60 from the Los Angeles Naval Reserve Armory beats up everyone perceived to be Hispanic, starting the week–long Zoot Suit Riots.
- 1965 – Launch of Gemini 4, the first multi–day space mission by a NASA crew.
- 1965 – For 21 minutes, Ed White floats free outside the space vehicle Gemini IV for the first time.
- 1968 – Valerie Solanas, author of The SCUM Manifesto, attempts to assassinate Andy Warhol by shooting him three times.