1260 Hao Jing, envoy of Mongol leader Kublai Khan imprisoned by order of the high Chancellor of China, Jia Sidao at the Song Dynasty court of Emperor Lizong while attempting to negotiate with the Song

1281 Kublai Khan's second invasion of Japan begins with an attack on Tsushima Island but meets fierce resistance; his troops are forced to withdraw

1382 Earthquake centered on Dover Straits with estimated magnitude of 6.0 causes widespread damage, including to Canterbury Cathedral

1499 Francisco De Bobadilla appointed Governor of the Indies, succeeding Christopher Columbus

1502 Portuguese explorer João Da Nova discovers the uninhabited Saint Helena island in the South Atlantic Ocean

1602 Martha's Vineyard 1st sighted by Captain Bartholomew Gosnold

1758 Mary Campbell is abducted from her home in Pennsylvania by Lenape during the French and Indian War

1792 Mount Unzen on Japan's Shimabara Peninsula, erupts creating a tsunami, killing about 15,000; Japan's deadliest volcanic eruption

1832 First US Democratic National Convention, is held in Baltimore

1846 1st steamship arrives in Hawaii

1861 Richmond, Virginia, is designated the Confederate Capital

1871 French Army attacks Paris beginning the Semaine Sanglante (Bloody Week), a weeklong battle that kills 10,000-15,000 and ends the Paris Commune

1881 American Red Cross founded by Clara Barton

1897 Yerkes Observatory 40" (1m) refractor used for 1st time

1906 Louis H. Perlman patents a demountable tire carrying rim for cars

1906 The US and Mexico sign an agreement over distribution of the waters of the Rio Grande, increasingly diverted to the US for irrigation

1914 Greyhound Bus Co begins in Minnesota

1917 Leo Pinckney, 1st American drafted during WWI

1917 The Great Fire of Atlanta: at least 10,000 people were displaced, but there was only one fatality

1918 US House of Representatives passes amendment allowing women to vote

1921 Oldest radio station west of Mississippi River licensed in Greeley Co.

1924 In Chicago, Nathan Leopold & Richard Loeb, both from wealthy and socially established Jewish families, kidnap and kill Bobby Franks to demonstrate their supposed intellectual superiority by committing a "perfect crime".  Both are found guilty and sent to prison.

1927 Aviator Charles Lindbergh, in the Spirit of St Louis, lands in Paris after the first solo air crossing of Atlantic

1929 Automatic electric stock quotation board installed in NYC

1932 After flying for 17 hours from Newfoundland, Amelia Earhart lands near Londonderry, Northern Ireland, completing the first transatlantic solo flight by a woman

1934 Oskaloosa, Iowa, becomes first US city to fingerprint its citizens

1941 SS Robin Moor becomes the first US ship sunk by a U-boat during World War II

1946 Physicist Louis Slotin is exposed to a lethal dose of radiation while preparing a plutonium core experiment at the Los Alamos lab, he dies 9 days later and the accident ends all hands-on nuclear assembly work at Los Alamos

1951 The opening of the Ninth Street Show, otherwise known as the 9th Street Art Exhibition - a gathering of a number of notable artists, and the stepping-out of the post war New York avant-garde, collectively know as the New York School.

1955 1st transcontinental round-trip solo flight-sunrise to sunset

1959 Cleveland Metroparks Zoo Children's Petting Farm opens (Cleveland, Ohio)

1964 1st nuclear-powered lighthouse begins operations (Chesapeake Bay)

1968 Nuclear-powered sub USS Scorpion, with 99 men, reported missing & is later found at the bottom of the ocean off Azores

1969 Robert F. Kennedy's murderer Sirhan Sirhan sentenced to death, later commuted to life imprisonment

1972 Michelangelo's Pietà in St. Peter's Basilica in Rome is damaged by a vandal

1979 Dan White convicted of the voluntary manslaughter of San Francisco mayor George Moscone and openly gay councilor Harvey Milk. The conviction on a lesser charge outraged the gay community and led to the White Night riots.

1980 US Coast Guard Ensign Jean Marie Butler is 1st woman to graduate from US service academy

1987 Xignals PC Board BBS, bulletin board system, begins in Alabama

1992 New Jersey Senate overrides Governor Florio's veto & lowers sales tax to 6%

1996 A fire at Con Ed’s Rainey substation causes blackout in many areas of Queens, NY

2004 Sherpa Pemba Dorjie climbs Mount Everest in 8 hours 10 minutes, breaking his rival Sherpa Lakpa Gelu's record from the previous year.

2007 Cutty Sark, the last surviving tea clipper, is badly damaged by fire in Greenwich, England.

2017 Barnum & Bailey Circus performs for the last time at the Nassau Coliseum in NYC after 146 years

2018 Teenager who started California's 2017 Eagle Creek Fire ordered to pay $36.6 million to cover damages by district judge

2019 Nepalese Sherpa Kami Rita sets a new record for the number of climbs of Mt Everest – 24

2019 Gov. Jay Inslee signs legislation making Washington the first US state to legalize human composting, vs burial or cremation

2021 Most powerful cosmic ray since the Oh-My-God particle detected by Osaka University from Utah's Array Telescope measuring 240 exa-electronvolts (EeV; 1018 electronvolts) - nicknamed ‘Amaterasu’

2023 First female Arab astronaut Rayyanah Barnawi, from Saudi Arabia goes into space on Axiom Space's second private mission, with fellow Saudi Ali Alqarni and Americans, Peggy Whitson and John Shoffner

2023 Popocatépetl volcano eruption causes Mexican authorities to warn 3 million people living nearby to prepare for a possible evacuation