The temperature on October 23, 1912 was between 4.7 °C and 7.8 °C and averaged 6.8 °C. There was 8.6 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 4 » The Scout Association is incorporated throughout the British Empire by royal charter.
January 8 » The African National Congress is founded, under the name South African Native National Congress (SANNC).
February 12 » The Xuantong Emperor, the last Emperor of China, abdicates.
February 29 » The Piedra Movediza (Moving Stone) of Tandil falls and breaks.
April 15 » The British passenger liner RMSTitanic sinks in the North Atlantic at 2:20a.m., two hours and forty minutes after hitting an iceberg. Only 710 of 2,227 passengers and crew on board survive.
Day of marriage May 9, 1939
The temperature on May 9, 1939 was between 6.6 °C and 17.6 °C and averaged 12.5 °C. There was 3.9 hours of sunshine (25%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
May 21 » The Canadian National War Memorial is unveiled by King George VI and Queen Elizabeth in Ottawa, Ontario, Canada.
September 6 » World War II: South Africa declares war on Nazi Germany.
September 10 » World War II: The submarine HMSOxley is mistakenly sunk by the submarine HMSTriton near Norway and becomes the Royal Navy's first loss of a submarine in the war.
September 17 » World War II: The Soviet invasion of Poland begins.
October 16 » World War II: No. 603 Squadron RAF intercepts the first Luftwaffe raid on Britain.
December 14 » Winter War: The Soviet Union is expelled from the League of Nations for invading Finland.
Day of death July 25, 1983
The temperature on July 25, 1983 was between 13.0 °C and 28.2 °C and averaged 21.1 °C. There was 8.5 hours of sunshine (54%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 8 » The Melbourne dust storm hits Australia's second largest city. The result of the worst drought on record and a day of severe weather conditions, a 320 metres (1,050ft) deep dust cloud envelops the city, turning day to night.
February 13 » A cinema fire in Turin, Italy, kills 64 people.
April 25 » Cold War: American schoolgirl Samantha Smith is invited to visit the Soviet Union by its leader Yuri Andropov after he read her letter in which she expressed fears about nuclear war.
May 1 » The Sydney Entertainment Centre is opened.
July 25 » Black July: Thirty-seven Tamil political prisoners at the Welikada high security prison in Colombo are massacred by the fellow Sinhalese prisoners.
November 8 » TAAG Angola Airlines Flight 462 crashes after takeoff from Lubango Airport killing all 130 people on board. UNITA claims to have shot down the aircraft, though this is disputed.
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/I135252.php : accessed October 18, 2026), "Roelf Sikkema (1912-1983)".
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