The temperature on January 1, 1911 was between 0.4 °C and 5.9 °C and averaged 3.5 °C. There was 5.9 mm of rain. There was 1.0 hours of sunshine (13%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
April 2 » The Australian Bureau of Statistics conducts the country's first national census.
May 15 » In Standard Oil Co. of New Jersey v. United States, the United States Supreme Court declares Standard Oil to be an "unreasonable" monopoly under the Sherman Antitrust Act and orders the company to be broken up.
June 22 » Mexican Revolution: Government forces bring an end to the Magonista rebellion of 1911 in the Second Battle of Tijuana.
June 28 » The Nakhla meteorite, the first one to suggest signs of aqueous processes on Mars, falls to Earth, landing in Egypt.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
December 14 » Roald Amundsen's team, comprising himself, Olav Bjaaland, Helmer Hanssen, Sverre Hassel, and Oscar Wisting, becomes the first to reach the South Pole.
Day of marriage May 11, 1933
The temperature on May 11, 1933 was between 6.7 °C and 16.1 °C and averaged 10.3 °C. There was 2.3 mm of rain during 1.9 hours. There was 1.8 hours of sunshine (12%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from May 26, 1933 to July 31, 1935 the cabinet Colijn II, with Dr. H. Colijn (ARP) as prime minister.
February 27 » Reichstag fire: Germany's parliament building in Berlin, the Reichstag, is set on fire; Marinus van der Lubbe, a young Dutch Communist claims responsibility.
April 1 » English cricketer Wally Hammond set a record for the highest individual Test innings of 336 not out, during a Test match against New Zealand.
April 5 » U.S. President Franklin D. Roosevelt signs two executive orders: 6101 to establish the Civilian Conservation Corps, and 6102 "forbidding the Hoarding of Gold Coin, Gold Bullion, and Gold Certificates" by U.S. citizens.
May 18 » New Deal: President Franklin D. Roosevelt signs an act creating the Tennessee Valley Authority.
August 14 » Loggers cause a forest fire in the Coast Range of Oregon, later known as the first forest fire of the Tillamook Burn; it is not fully extinguished until September 5, after destroying 240,000 acres (970km).
November 17 » The United States recognizes the Soviet Union.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I139965.php : accessed October 14, 2026), "Jan Kooistra (1911-)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.