Wikipedia:Selected anniversaries/June 13
- 1525 - Martin Luther married Katharina von Bora, against the celibacy discipline decreed by the Roman Catholic Church on priests.
- 1881 - An Arctic Ocean ice pack crushed the USS Jeannette.
- 1935 - In one of the biggest upsets in championship boxing, underdog James J. Braddock defeated Max Baer to become the heavyweight champion of the world.
- 1966 - The Miranda v. Arizona landmark ruling by the U.S. Supreme Court established the Miranda warning, requiring law enforcement officials to advise a suspect in custody of his rights to remain silent and to obtain an attorney.
- 1971 - Vietnam War: The New York Times began to publish the Pentagon Papers, a 7,000-page top-secret United States Department of Defense history of the United States' political and military involvement in the Vietnam War.
- 1983 - Pioneer 10 (pictured) became the first man-made object to pass the orbit of Pluto.