The temperature on March 6, 1887 was about 7.9 °C. The air pressure was 8 kgf/m2 and came mainly from the north-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 75%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
February 2 » In Punxsutawney, Pennsylvania the first Groundhog Day is observed.
June 8 » Herman Hollerith applies for US patent #395,781 for the 'Art of Compiling Statistics', which was his punched card calculator.
June 18 » The Reinsurance Treaty between Germany and Russia is signed.
July 6 » David Kalākaua, monarch of the Kingdom of Hawaii, is forced to sign the Bayonet Constitution, which transfers much of the king's authority to the Legislature of the Kingdom of Hawaii.
September 5 » A fire at the Theatre Royal, Exeter, kills 186.
November 13 » Bloody Sunday clashes in central London.
Day of death August 31, 1933
The temperature on August 31, 1933 was between 9.4 °C and 21.6 °C and averaged 15.4 °C. There was 0.1 mm of rain. There was 6.9 hours of sunshine (50%). The average windspeed was 2 Bft (weak wind) 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 25 » Launch of the USSRanger at Newport News, Virginia. It is the first purpose-built aircraft carrier to be commissioned by the US Navy.
March 6 » Great Depression: President Franklin D. Roosevelt declares a "bank holiday", closing all U.S. banks and freezing all financial transactions.
March 12 » Great Depression: Franklin D. Roosevelt addresses the nation for the first time as President of the United States. This is also the first of his "fireside chats".
April 1 » The recently elected Nazis under Julius Streicher organize a one-day boycott of all Jewish-owned businesses in Germany, ushering in a series of anti-Semitic acts.
April 7 » Prohibition in the United States is repealed for beer of no more than 3.2% alcohol by weight, eight months before the ratification of the XXI amendment. (Now celebrated as National Beer Day in the United States.)
April 24 » Nazi Germany begins its persecution of Jehovah's Witnesses by shutting down the Watch Tower Society office in Magdeburg.
When copying data from this family tree, please include a reference to the origin: W. Rovers, "Family tree Ro(o)vers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_rovers/I18384.php : accessed February 15, 2026), "Joannes Ludovicus de Roover (1887-1933)".
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