January 31 » Czechoslav Trade Union Association is founded in Prague.
May 26 » Dracula, a Gothic horror novel by Irish author Bram Stoker, is published.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
December 30 » The British Colony of Natal annexes Zululand.
Day of marriage July 31, 1920
The temperature on July 31, 1920 was between 9.7 °C and 22.3 °C and averaged 16.9 °C. There was 10.1 hours of sunshine (65%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
May 7 » Treaty of Moscow: Soviet Russia recognizes the independence of the Democratic Republic of Georgia only to invade the country six months later.
May 16 » In Rome, Pope Benedict XV canonizes Joan of Arc.
August 31 » Polish–Soviet War: A decisive Polish victory in the Battle of Komarów.
October 30 » The Communist Party of Australia is founded in Sydney.
November 7 » Patriarch Tikhon of Moscow issues a decree that leads to the formation of the Russian Orthodox Church Outside Russia.
November 15 » The Free City of Danzig is established.
Day of death November 12, 1969
The temperature on November 12, 1969 was between 5.8 °C and 14.5 °C and averaged 10.6 °C. There was 16.4 mm of rain during 2.6 hours. There was 3.8 hours of sunshine (42%). The partly clouded was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
April 17 » Sirhan Sirhan is convicted of assassinating Robert F. Kennedy.
May 20 » The Battle of Hamburger Hill in Vietnam ends.
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.
August 14 » The Troubles: British troops are deployed in Northern Ireland as political and sectarian violence breaks out, marking the start of the 37-year Operation Banner.
November 19 » Apollo program: Apollo 12 astronauts Pete Conrad and Alan Bean land at Oceanus Procellarum (the "Ocean of Storms") and become the third and fourth humans to walk on the Moon.
November 21 » The first permanent ARPANET link is established between UCLA and SRI.
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/I108959.php : accessed October 13, 2026), "Roel van der Meulen (1897-1969)".
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