First Druid Summer Solstice festival held at Stonehenge.
New Hampshire ratifies the United States Constitution and becomes the ninth US state.
American illustrator Rockwell Kent (illustrated Moby Dick) born in in Tarrytown, New York.
Caricature artist Al Hirschfeld born in St Louis, Missouri.
Existentialist French author Jean-Paul Sartre born in Paris.
Architect Paolo Soleri born in Turin, Italy.
Actress Judy Holliday born in New York City.
Singer/songwriter Ray Davies (The Kinks) born in London.
Cartoonist Burke Breathed (Bloom County) born in Encino, California.
Pope Paul VI is elected 262th Roman Catholic pope.
Three civil rights workers, Andrew Goodman, James Chaney and Mickey Schwerner were murdered in Neshoba County, Mississippi, USA by members of the Ku Klux Klan.