The temperature on May 31, 1885 was about 12.3 °C. There was 1 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the southwest. The airpressure was 76 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.
February 23 » Sino-French War: French Army gains an important victory in the Battle of Đồng Đăng in the Tonkin region of Vietnam.
April 2 » Canadian Cree warriors attack the village of Frog Lake, killing nine.
June 9 » Treaty of Tientsin is signed to end the Sino-French War, with China eventually giving up Tonkin and Annam – most of present-day Vietnam – to France.
July 1 » The Congo Free State is established by King Leopold II of Belgium.
September 22 » Lord Randolph Churchill makes a speech in Ulster in opposition to the Irish Home Rule movement.
September 29 » The first practical public electric tramway in the world is opened in Blackpool, England.
Day of marriage May 20, 1914
The temperature on May 20, 1914 was between 8.5 °C and 20.6 °C and averaged 14.3 °C. There was 13.0 hours of sunshine (82%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
August 12 » World War I: The United Kingdom declares war on Austria-Hungary; the countries of the British Empire follow suit.
August 14 » World War I: Start of the Battle of Lorraine, an unsuccessful French offensive designed to recover the lost province of Moselle from Germany.
November 9 » SMSEmden is sunk by HMASSydney in the Battle of Cocos.
December 15 » World War I: The Serbian Army recaptures Belgrade from the invading Austro-Hungarian Army.
December 16 » World War I: Admiral Franz von Hipper commands a raid on Scarborough, Hartlepool and Whitby.
December 23 » World War I: Australian and New Zealand troops arrive in Cairo, Egypt.
Day of death February 1, 1969
The temperature on February 1, 1969 was between 0.8 °C and 6.9 °C and averaged 3.9 °C. There was 1.5 mm of rain during 1.6 hours. There was 1.6 hours of sunshine (18%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
July 20 » Apollo program: Apollo 11's crew successfully makes the first manned landing on the Moon in the Sea of Tranquility. Americans Neil Armstrong and Buzz Aldrin become the first humans to walk on the Moon six and a half hours later.
September 1 » Trần Thiện Khiêm becomes Prime Minister of South Vietnam under President Nguyễn Văn Thiệu.
September 5 » My Lai Massacre: U.S. Army Lieutenant William Calley is charged with six specifications of premeditated murder for the death of 109 Vietnamese civilians in My Lai.
September 26 » Abbey Road, the last recorded album by The Beatles, is released.
December 8 » Olympic Airways Flight 954 strikes a mountain outside of Keratea, Greece, killing 90 people in the worst crash of a Douglas DC-6 in history.
December 9 » U.S. Secretary of State William P. Rogers proposes his plan for a ceasefire in the War of Attrition; Egypt and Jordan accept it over the objections of the PLO, which leads to civil war in Jordan in September 1970.
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/I196978.php : accessed February 12, 2026), "Sjoerd Haanstra (1885-1969)".
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