The temperature on June 23, 1911 was between 12.2 °C and 19.3 °C and averaged 15.2 °C. There was 6.4 mm of rain. There was 1.2 hours of sunshine (7%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 29 » Mexican Revolution: Mexicali is captured by the Mexican Liberal Party, igniting the Magonista rebellion of 1911.
February 18 » The first official flight with airmail takes place from Allahabad, United Provinces, British India (now India), when Henri Pequet, a 23-year-old pilot, delivers 6,500 letters to Naini, about 10 kilometres (6.2mi) away.
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
September 20 » The White Star Line's RMSOlympic collides with the British warship HMSHawke.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
December 27 » "Jana Gana Mana", the national anthem of India, is first sung in the Calcutta Session of the Indian National Congress.
Day of marriage March 27, 1937
The temperature on March 27, 1937 was between -1.8 °C and 6.1 °C and averaged 1.9 °C. There was 2.4 mm of rain during 1.2 hours. There was 3.5 hours of sunshine (28%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
April 9 » The Kamikaze arrives at Croydon Airport in London. It is the first Japanese-built aircraft to fly to Europe.
May 30 » Memorial Day massacre: Chicago police shoot and kill ten labor demonstrators.
June 11 » Great Purge: The Soviet Union under Joseph Stalin executes eight army leaders.
July 22 » New Deal: The United States Senate votes down President Franklin D. Roosevelt's proposal to add more justices to the Supreme Court of the United States.
August 2 » The Marihuana Tax Act of 1937 is passed in America, the effect of which is to render marijuana and all its by-products illegal.
December 12 » Second Sino-Japanese War: USS Panay incident: Japanese aircraft bomb and sink U.S. gunboat USSPanay on the Yangtze river in China.
Day of death February 20, 1997
The temperature on February 20, 1997 was between 6.2 °C and 10.3 °C and averaged 8.3 °C. There was -0.1 mm of rain. There was 4.0 hours of sunshine (39%). The partly clouded was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
June 10 » Before fleeing his northern stronghold, Khmer Rouge leader Pol Pot orders the killing of his defense chief Son Sen and 11 of Sen's family members.
July 5 » Sri Lankan Civil War: Sri Lankan Tamil MP A. Thangathurai is shot dead at Sri Shanmuga Hindu Ladies College in Trincomalee.
August 6 » Korean Air Flight 801 crashed at Nimitz Hill, Guam killing 229 of 254 people on board.
September 19 » The Guelb El-Kebir massacre in Algeria kills 53 people.
October 25 » After a civil war, Denis Sassou Nguesso proclaims himself President of the Republic of the Congo.
December 22 » Hussein Farrah Aidid relinquishes the disputed title of President of Somalia by signing the Cairo Declaration, in Cairo, Egypt. It is the first major step towards reconciliation in Somalia since 1991.
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/I119019.php : accessed October 17, 2026), "Pieter Postma (1911-1997)".
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