1770 – Captain James Cook, still holding the rank of lieutenant, sights the eastern coast of what is now Australia.
1770 – Marie Antoinette marries Louis XVI of France in a proxy wedding.
1775 – American Revolutionary War: The war begins with an American victory in Concord during the battles of Lexington and Concord.
1782 – John Adams secures the Dutch Republic's recognition of the United States as an independent government. The house which he had purchased in The Hague, Netherlands becomes the first American embassy.
1861 – American Civil War: Baltimore riot of 1861: A pro-Secession mob in Baltimore attacks United States Army troops marching through the city.
1877 – Ole Evinrude, Norwegian-American engineer, invented the outboard motor (d. 1934) is born.
1892 – Charles Duryea claims to have driven the first automobile in the United States, in Springfield, Massachusetts.
1901 – Alfred Horatio Belo, American publisher, founded The Dallas Morning News (b. 1839) dies.
1927 – Mae West is sentenced to ten days in jail for obscenity for her play Sex.
1942 – Jack Roush, American businessman, founded Roush Fenway Racing is born.
1965 – Suge Knight, American record producer, co-founded Death Row Records is born.
1971 – Charles Manson is sentenced to death (later commuted to life imprisonment) for conspiracy in the Tate–LaBianca murders.
1985 – Two hundred ATF and FBI agents lay siege to the compound of the white supremacist survivalist group The Covenant, The Sword, and the Arm of the Lord in Arkansas; the CSA surrenders two days later.
1987 – The Simpsons first appear as a series of shorts on The Tracey Ullman Show, first starting with Good Night.
1989 – A gun turret explodes on the USS Iowa, killing 47 sailors.
1993 – The 51-day FBI siege of the Branch Davidian building outside Waco, Texas, USA, ends when a fire breaks out. Eighty-one people die.
1995 – Oklahoma City bombing: The Alfred P. Murrah Federal Building in Oklahoma City, USA, is bombed, killing 168.
1997 – The 1997 Red River flood overwhelms the city of Grand Forks, North Dakota. Fire breaks out and spreads in downtown Grand Forks, but high water levels hamper efforts to reach the fire, leading to the destruction of 11 buildings.
2004 – Norris McWhirter, English author and activist co-founded the Guinness World Records (b. 1925) dies.
2005 – Cardinal Joseph Ratzinger is elected to the papacy and becomes Pope Benedict XVI.
2011 – Fidel Castro resigns as First Secretary of the Communist Party of Cuba after holding the title since July 1961.
2013 – Boston Marathon bombing suspect Tamerlan Tsarnaev is killed in a shootout with police. His brother Dzhokhar is later captured hiding in a boat inside a backyard in the suburb of Watertown.
2013 – Al Neuharth, American journalist, author, and publisher, founded USA Today (b. 1924) dies.