The temperature on January 1, 1887 was about -5.3 °C. The air pressure was 3 kgf/m2 and came mainly from the east-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 93%. 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.
January 20 » The United States Senate allows the Navy to lease Pearl Harbor as a naval base.
February 8 » The Dawes Act authorizes the President of the United States to survey Native American tribal land and divide it into individual allotments.
February 23 » The French Riviera is hit by a large earthquake, killing around 2,000.
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.
November 11 » August Spies, Albert Parsons, Adolph Fischer and George Engel are executed as a result of the Haymarket affair.
Day of death May 20, 1971
The temperature on May 20, 1971 was between 8.4 °C and 17.8 °C and averaged 12.8 °C. There was 12.5 hours of sunshine (79%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 12 » The Harrisburg Seven: Rev. Philip Berrigan and five other activists are indicted on charges of conspiring to kidnap Henry Kissinger and of plotting to blow up the heating tunnels of federal buildings in Washington, D.C.
February 9 » Apollo program: Apollo 14 returns to Earth after the third manned Moon landing.
February 24 » The All India Forward Bloc holds an emergency central committee meeting after its chairman, Hemantha Kumar Bose, is killed three days earlier. P.K. Mookiah Thevar is appointed as the new chairman.
April 7 » President Richard Nixon announces his decision to quicken the pace of Vietnamization.
May 3 » Erich Honecker becomes First Secretary of the Socialist Unity Party of Germany, remaining in power until 1989.
October 1 » The first practical CT scanner is used to diagnose a patient.
When copying data from this family tree, please include a reference to the origin: G. Polman, "Family tree Polman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-polman/I1807.php : accessed March 3, 2026), "Hermanus-Antonius Bekkers (1887-1971)".
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