The temperature on April 22, 1918 was between -0.7 °C and 7.2 °C and averaged 4.8 °C. There was 0.1 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
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 1 » Russia adopts the Gregorian calendar.
February 24 » Estonian Declaration of Independence.
July 4 » World War I: The Battle of Hamel, a successful attack by the Australian Corps against German positions near the town of Le Hamel on the Western Front.
September 29 » The Hindenburg Line is broken by an Allied attack.
November 11 » Józef Piłsudski assumes supreme military power in Poland - symbolic first day of Polish independence.
December 14 » Portuguese President Sidónio Pais is assassinated.
Day of marriage October 28, 1937
The temperature on October 28, 1937 was between 9.1 °C and 17.9 °C and averaged 13.1 °C. There was 7.9 hours of sunshine (80%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
February 21 » The League of Nations bans foreign national "volunteers" in the Spanish Civil War.
May 6 » Hindenburg disaster: The German zeppelin Hindenburg catches fire and is destroyed within a minute while attempting to dock at Lakehurst, New Jersey. Thirty-six people are killed.
July 24 » Alabama drops rape charges against the "Scottsboro Boys".
September 5 » Spanish Civil War: Llanes falls to the Nationalists following a one-day siege.
September 25 » Second Sino-Japanese War: The Chinese Eighth Route Army gains a minor, but morale-boosting victory in the Battle of Pingxingguan.
December 16 » Theodore Cole and Ralph Roe attempt to escape from the American federal prison on Alcatraz Island in San Francisco Bay; neither is ever seen again.
Day of death April 13, 1973
The temperature on April 13, 1973 was between -1 °C and 8.0 °C and averaged 3.1 °C. There was 3.8 mm of rain during 1.1 hours. There was 4.0 hours of sunshine (29%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I288.php : accessed June 17, 2024), "Johannes de Haan (1918-1973)".
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