May 26 » The original manuscript of William Bradford's history, "Of Plymouth Plantation" is returned to the Governor of Massachusetts by the Bishop of London after being taken during the American Revolutionary War.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
September 11 » After months of pursuit, generals of Menelik II of Ethiopia capture Gaki Sherocho, the last king of Kaffa, bringing an end to that ancient kingdom.
Day of marriage March 5, 1921
The temperature on March 5, 1921 was between 6.3 °C and 10.1 °C and averaged 7.9 °C. There was 1.4 mm of rain. There was -0.1 hours of sunshine (0%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 21 » Rezā Shāh takes control of Tehran during a successful coup.
March 18 » The Kronstadt rebellion is suppressed by the Red Army.
May 8 » The creation of the Communist Party of Romania.
July 11 » A truce in the Irish War of Independence comes into effect.
July 11 » The Red Army captures Mongolia from the White Army and establishes the Mongolian People's Republic.
September 21 » A storage silo in Oppau, Germany, explodes, killing 500–600 people.
Day of death October 17, 1969
The temperature on October 17, 1969 was between 6.9 °C and 21.2 °C and averaged 12.6 °C. There was 0.1 mm of rain. There was 7.9 hours of sunshine (74%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
June 22 » The Cuyahoga River catches fire in Cleveland, Ohio, drawing national attention to water pollution, and spurring the passing of the Clean Water Act and the creation of the Environmental Protection Agency.
July 3 » Space Race: The biggest explosion in the history of rocketry occurs when the Soviet N-1 rocket explodes and subsequently destroys its launchpad.
July 20 » Apollo program: Apollo 11's crew successfully makes the first manned landing on the Moon in the Sea of Tranquility. Americans Neil Armstrong and Buzz Aldrin become the first humans to walk on the Moon six and a half hours later.
August 8 » At a zebra crossing in London, photographer Iain Macmillan takes the iconic photo that becomes the cover image of the Beatles' album Abbey Road.
September 9 » In Canada, the Official Languages Act comes into force, making French equal to English throughout the Federal government.
November 12 » Vietnam War: Independent investigative journalist Seymour Hersh breaks the story of the My Lai Massacre.
Day of burial October 22, 1969
The temperature on October 22, 1969 was between 11.8 °C and 16.9 °C and averaged 14.2 °C. There was 0.1 mm of rain during 0.1 hours. There was 0.2 hours of sunshine (2%). The heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the ??. Source: KNMI
April 7 » The Internet's symbolic birth date: Publication of RFC 1.
July 3 » Space Race: The biggest explosion in the history of rocketry occurs when the Soviet N-1 rocket explodes and subsequently destroys its launchpad.
July 19 » Chappaquiddick incident: U.S. Senator Ted Kennedy crashes his car into a tidal pond at Chappaquiddick Island, Massachusetts, killing his passenger Mary Jo Kopechne.
July 20 » A cease fire is announced between Honduras and El Salvador, six days after the beginning of the "Football War".
July 24 » Apollo program: Apollo 11 splashes down safely in the Pacific Ocean.
August 8 » At a zebra crossing in London, photographer Iain Macmillan takes the iconic photo that becomes the cover image of the Beatles' album Abbey Road.
When copying data from this family tree, please include a reference to the origin: Wicher Dam, "Dambomen, negen verschillende stambomen DAM", database, Genealogy Online (https://www.genealogieonline.nl/dambomen/I8418.php : accessed January 10, 2026), "Johannes Dam (1897-1969)".
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