The temperature on April 6, 1887 was about 3.5 °C. There was 10 mm of rain. The air pressure was 57 kgf/m2 and came mainly from the north-northeast. The airpressure was 75 cm mercury. The atmospheric humidity was 89%. 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.
April 4 » Argonia, Kansas elects Susanna M. Salter as the first female mayor in the United States.
May 9 » Buffalo Bill Cody's Wild West Show opens in London.
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.
September 5 » A fire at the Theatre Royal, Exeter, kills 186.
Day of death February 11, 1969
The temperature on February 11, 1969 was between -8.1 °C and -0.2 °C and averaged -3.2 °C. There was 2.1 mm of rain during 5.8 hours. The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
April 1 » The Hawker Siddeley Harrier, the first operational fighter aircraft with Vertical/Short Takeoff and Landing capabilities, enters service with the Royal Air Force.
April 15 » The EC-121 shootdown incident: North Korea shoots down a United States Navy aircraft over the Sea of Japan, killing all 31 on board.
April 17 » Sirhan Sirhan is convicted of assassinating Robert F. Kennedy.
April 28 » Charles de Gaulle resigns as President of France.
June 3 » Melbourne–Evans collision: off the coast of South Vietnam, the Australian aircraft carrier HMASMelbourne cuts the U.S. Navy destroyer USSFrank E. Evans in half.
October 21 » The 1969 Somali coup d'état establishes a Marxist–Leninist administration.
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/I67438.php : accessed February 16, 2026), "Lipkje de Boer (1887-1969)".
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