January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
February 7 » Second Boer War: British troops fail in their third attempt to lift the Siege of Ladysmith.
May 24 » Second Boer War: The United Kingdom annexes the Orange Free State.
May 29 » N'Djamena is founded as Fort-Lamy by the French commander Émile Gentil.
July 27 » Kaiser Wilhelm II makes a speech comparing Germans to Huns; for years afterwards, "Hun" would be a disparaging name for Germans.
October 9 » The Cook Islands become a territory of the United Kingdom.
Day of marriage August 12, 1931
The temperature on August 12, 1931 was between 6.3 °C and 16.7 °C and averaged 13.1 °C. There was 0.2 mm of rain during 0.5 hours. There was 1.2 hours of sunshine (8%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 7 » Guy Menzies flies the first solo non-stop trans-Tasman flight (from Australia to New Zealand) in 11 hours and 45 minutes, crash-landing on New Zealand's west coast.
January 21 » Sir Isaac Isaacs is sworn in as the first Australian-born Governor-General of Australia.
February 13 » The British Raj completes its transfer from Calcutta to New Delhi.
May 14 » Five unarmed civilians are killed in the Ådalen shootings, as the Swedish military is called in to deal with protesting workers.
July 1 » Wiley Post and Harold Gatty become the first people to circumnavigate the globe in a single-engined monoplane aircraft.
October 1 » Clara Campoamor persuades the Constituent Cortes to enfranchise women in Spain's new constitution.
Day of death April 19, 1981
The temperature on April 19, 1981 was between 3.9 °C and 8.8 °C and averaged 6.0 °C. There was 2.3 mm of rain during 1.7 hours. There was 2.0 hours of sunshine (14%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
January 20 » Ronald Reagan is inaugurated the 40th President of the United States of America. Twenty minutes later, Iran releases 52 American hostages.
February 24 » The 6.7 Ms Gulf of Corinth earthquake affected Central Greece with a maximum Mercalli intensity of VIII (Severe). Twenty-two people were killed, 400 were injured, and damage totaled $812million.
April 9 » The U.S. Navy nuclear submarine USSGeorge Washington accidentally collides with the Nissho Maru, a Japanese cargo ship, sinking it.
June 13 » At the Trooping the Colour ceremony in London, a teenager, Marcus Sarjeant, fires six blank shots at Queen Elizabeth II.
August 5 » President Ronald Reagan fires 11,359 striking air-traffic controllers who ignored his order for them to return to work.
November 12 » Space Shuttle program: Mission STS-2, utilizing the Space Shuttle Columbia, marks the first time a manned spacecraft is launched into space twice.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I53644.php : accessed February 6, 2026), "Johanna Petronella van Helvoort (1900-1981)".
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