The temperature on July 18, 1887 was about 18.1 °C. The air pressure was 10 kgf/m2 and came mainly from the northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 55%. 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.
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 23 » The Rocky Mountains Park Act becomes law in Canada creating the nation's first national park, Banff National Park.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
November 11 » August Spies, Albert Parsons, Adolph Fischer and George Engel are executed as a result of the Haymarket affair.
Day of death July 4, 1960
The temperature on July 4, 1960 was between 5.1 °C and 20.7 °C and averaged 14.8 °C. There was 4.9 hours of sunshine (29%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
January 6 » The Associations Law comes into force in Iraq, allowing registration of political parties.
February 29 » The 5.7Mw Agadir earthquake shakes coastal Morocco with a maximum perceived intensity of X (Extreme), destroying Agadir, and leaving 12,000 dead and another 12,000 injured.
April 13 » The United States launches Transit 1-B, the world's first satellite navigation system.
June 26 » The former British Protectorate of British Somaliland gains its independence as Somaliland.
July 20 » Ceylon (now Sri Lanka) elects Sirimavo Bandaranaike Prime Minister, the world's first elected female head of government.
November 1 » While campaigning for President of the United States, John F. Kennedy announces his idea of the Peace Corps.
When copying data from this family tree, please include a reference to the origin: Raymond Birkholzer, "Family tree Birkholzer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-birkholzer/R62.php : accessed January 17, 2026), "Willem Corvers (1887-1960)".
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