May 26 » Charles Dow publishes the first edition of the Dow Jones Industrial Average.
November 1 » A picture showing the bare breasts of a woman appears in National Geographic magazine for the first time.
November 17 » The Western Pennsylvania Hockey League, which later became the first ice hockey league to openly trade and hire players, began play at Pittsburgh's Schenley Park Casino.
December 30 » Canadian ice hockey player Ernie McLea scores the first hat-trick in Stanley Cup play, and the Cup-winning goal as the Montreal Victorias defeat the Winnipeg Victorias 6–5.
Day of marriage February 4, 1922
The temperature on February 4, 1922 was between -10.4 °C and -4.5 °C and averaged -7.4 °C. There was 1.3 mm of rain. There was 6.4 hours of sunshine (69%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. 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.
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 26 » The German Social Democratic Party is founded in Poland.
June 17 » Portuguese naval aviators Gago Coutinho and Sacadura Cabral complete the first aerial crossing of the South Atlantic.
August 22 » Michael Collins, Commander-in-chief of the Irish Free State Army, is shot dead in an ambush during the Irish Civil War.
September 11 » The Treaty of Kars is ratified in Yerevan, Armenia.
October 19 » British Conservative MPs vote to terminate the coalition government with the Liberal Party.
November 26 » Howard Carter and Lord Carnarvon become the first people to enter the tomb of Pharaoh Tutankhamun in over 3000 years.
Day of death May 6, 1968
The temperature on May 6, 1968 was between 4.0 °C and 13.1 °C and averaged 8.9 °C. There was 4.9 mm of rain during 2.0 hours. The heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
January 31 » Nauru gains independence from Australia.
April 6 » In Richmond, Indiana's downtown district, a double explosion kills 41 and injures 150.
May 12 » Vietnam War: North Vietnamese and Viet Cong forces attack Australian troops defending Fire Support Base Coral.
May 30 » Charles de Gaulle reappears publicly after his flight to Baden-Baden, Germany, and dissolves the French National Assembly by a radio appeal. Immediately after, less than one million of his supporters march on the Champs-Élysées in Paris. This is the turning point of May 1968 events in France.
September 2 » Operation OAU begins during the Nigerian Civil War.
November 17 » British European Airways introduces the BAC One-Eleven into commercial service.
When copying data from this family tree, please include a reference to the origin: J. Ham, "Family tree Ham", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ham/I57161.php : accessed January 31, 2026), "Martin Kerseboom (1896-1968)".
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