The temperature on June 10, 1887 was about 14.9 °C. The air pressure was 20 kgf/m2 and came mainly from the north-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 64%. 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.
January 20 » The United States Senate allows the Navy to lease Pearl Harbor as a naval base.
February 2 » In Punxsutawney, Pennsylvania the first Groundhog Day is observed.
May 9 » Buffalo Bill Cody's Wild West Show opens in London.
June 18 » The Reinsurance Treaty between Germany and Russia is signed.
November 9 » The United States receives rights to Pearl Harbor, Hawaii.
November 13 » Bloody Sunday clashes in central London.
Day of marriage April 18, 1913
The temperature on April 18, 1913 was between 3.9 °C and 10.7 °C and averaged 7.2 °C. There was 1.5 mm of rain. There was 5.8 hours of sunshine (41%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
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.
March 22 » Mystic Phan Xích Long, the self-proclaimed Emperor of Vietnam, was arrested for organising a revolt against the colonial rule of French Indochina, which was nevertheless carried out by his supporters the following day.
June 23 » Second Balkan War: The Greeks defeat the Bulgarians in the Battle of Doiran.
August 10 » Second Balkan War: Delegates from Bulgaria, Romania, Serbia, Montenegro, and Greece sign the Treaty of Bucharest, ending the war.
August 13 » First production in the UK of stainless steel by Harry Brearley.
August 28 » Queen Wilhelmina opens the Peace Palace in The Hague.
October 31 » The Indianapolis Streetcar Strike and subsequent riot begins.
Day of death January 17, 1961
The temperature on January 17, 1961 was between -5.0 °C and 2.6 °C and averaged -1.9 °C. There was 0.1 mm of rain. There was 6.3 hours of sunshine (76%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 31 » Project Mercury: Mercury-Redstone 2: Ham the Chimp travels into outer space.
March 1 » Uganda becomes self-governing and holds its first elections.
March 29 » The Twenty-third Amendment to the United States Constitution is ratified, allowing residents of Washington, D.C., to vote in presidential elections.
May 31 » The South African Constitution of 1961 becomes effective, thus creating the Republic of South Africa, which remains outside the Commonwealth of Nations until 1 June 1994, when South Africa is returned to Commonwealth membership.
September 12 » The African and Malagasy Union is founded.
December 17 » Niterói circus fire: Fire breaks out during a performance by the Gran Circus Norte-Americano in the city of Niterói, Rio de Janeiro, Brazil, killing more than 500.
When copying data from this family tree, please include a reference to the origin: Nathalie Persoon, "Family tree Persoon", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-persoon/I65.php : accessed February 19, 2026), "Hendrika Cornelia Wilhelmina Tangel (1887-1961)".
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