* 238 – Gordian I and his son Gordian II are proclaimed Roman Emperors.
* 1621 – The Pilgrims of Plymouth Colony sign a peace treaty with Massasoit of the Wampanoags.
* 1622 – Jamestown massacre: Algonquian Indians kill 347 English settlers around Jamestown, Virginia, a third of the colony's population.
* 1630 – The Massachusetts Bay Colony outlaws the possession of cards, dice, and gaming tables.
* 1638 – Anne Hutchinson is expelled from Massachusetts Bay Colony for religious dissent.
* 1739 – Nadir Shah occupies Delhi in India and sacks the city, stealing the jewels of the Peacock Throne.
* 1765 – The British Parliament passes the Stamp Act that introduces a tax to be levied directly on its American colonies.
* 1784 – The Emerald Buddha is moved with great ceremony to its current location in Wat Phra Kaew, Thailand.
* 1809 – Charles XIII succeeds Gustav IV Adolf to the Swedish throne.
* 1829 – The three protecting powers (United Kingdom, France and Russia) establish the borders of Greece.
* 1849 – The Austrians defeat the Piedmontese at the Battle of Novara.
* 1871 – In North Carolina, William Woods Holden becomes the first governor of a U.S. state to be removed from office by impeachment.
* 1873 – A law is approved by the Spanish National Assembly in Puerto Rico to abolish slavery.
* 1888 – In England, The Football League, the world's oldest professional Association Football league, is founded.
* 1894 – The first playoff game for the Stanley Cup starts.
* 1906 – First Anglo-French rugby union match at Parc des Princes in Paris
* 1916 – The last Emperor of China, Yuan Shikai, abdicates the throne and the Republic of China is restored.
* 1920 – Azeri and Turkish army soldiers with participation of Kurdish gangs attacked the Armenian inhabitants of Shushi (Nagorno Karabakh).
* 1923 – The first radio broadcast of ice hockey is made by Foster Hewitt.
* 1939 – World War II: Germany takes Memel from Lithuania.
* 1942 – World War II: In the Mediterranean Sea, the Royal Navy confronts Italy's Regia Marina in the Second Battle of Sirte.
* 1943 – World War II: the entire population of Khatyn in Belarus is burnt alive by German occupation forces.
* 1945 – The Arab League is founded when a charter is adopted in Cairo, Egypt.
* 1954 – Closed since 1939, the London bullion market reopens.
* 1960 – Arthur Leonard Schawlow and Charles Hard Townes receive the first patent for a laser
* 1972 – The United States Congress sends the Equal Rights Amendment to the states for ratification.
* 1975 – A fire at the Browns Ferry Nuclear Power Plant in Decatur, Alabama causes a dangerous reduction in cooling water levels.
* 1978 – Karl Wallenda of The Flying Wallendas dies after falling off a tight-rope between two hotels in San Juan, Puerto Rico.
* 1982 – NASA's Space Shuttle Columbia, is launched from the Kennedy Space Center on its third mission, STS-3.
* 1984 – Teachers at the McMartin preschool in Manhattan Beach, California are charged with satanic ritual abuse of the children in the school. The charges are later dropped as completely unfounded.
* 1989 – Clint Malarchuk of the Buffalo Sabres suffers a near-fatal injury when another player accidentally slits his throat.
* 1992 – USAir Flight 405 crashes shortly after liftoff from New York City's LaGuardia Airport, leading to a number of studies into the effect that ice has on aircraft.
* 1993 – The Intel Corporation ships the first Pentium chips (80586), featuring a 60 MHz clock speed, 100+ MIPS, and a 64 bit data path.
* 1995 – Cosmonaut Valeriy Polyakov returns to earth after setting a record of 438 days in space.
* 1997 – Tara Lipinski, age 14 years and 10 months, becomes the youngest champion women's World Figure Skating Champion.
* 1997 – The Comet Hale-Bopp has its closest approach to Earth.
* 2004 – Ahmed Yassin, co-founder and leader of the Palestinian Sunni Islamist group Hamas, two bodyguards, and nine civilian bystanders are killed in the Gaza Strip when hit by Israeli Air Force AH-64 Apache fired Hellfire missiles.
* 2006 – ETA, the armed Basque separatist group, declares a permanent ceasefire.
* 2006 – Three Christian Peacemaker Team hostages are freed by British forces in Baghdad after 118 days of captivity and the death of their colleague, American Tom Fox.
* 2009 – Mount Redoubt, a volcano in Alaska begins erupting after a prolonged period of unrest.