The temperature on April 13, 1891 was about 4.1 °C. There was 0.1 mm of rain. The airpressure was 76 cm mercury. The atmospheric humidity was 94%. Source: KNMI
In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
January 31 » History of Portugal: The first attempt at a Portuguese republican revolution breaks out in the northern city of Porto.
February 15 » Allmänna Idrottsklubben (AIK) (Swedish Sports Club) is founded.
May 5 » The Music Hall in New York City (later known as Carnegie Hall) has its grand opening and first public performance, with Tchaikovsky as the guest conductor.
August 16 » The Basilica of San Sebastian, Manila, the first all-steel church in Asia, is officially inaugurated and blessed.
August 18 » Major hurricane strikes Martinique, leaving 700 dead.
October 28 » The Mino–Owari earthquake is the largest inland earthquake in Japan's history.
Day of marriage April 11, 1912
The temperature on April 11, 1912 was between 0.1 °C and 9.1 °C and averaged 3.4 °C. There was 1.3 mm of rain. There was 7.8 hours of sunshine (57%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
January 11 » Immigrant textile workers in Lawrence, Massachusetts, go on strike when wages are reduced in response to a mandated shortening of the work week.
January 23 » The International Opium Convention is signed at The Hague.
April 2 » The ill-fated RMSTitanic begins sea trials.
August 14 » U.S. Marines invade Nicaragua to support the U.S.-backed government installed there after José Santos Zelaya had resigned three years earlier.
October 3 » U.S. forces defeat Nicaraguan rebels at the Battle of Coyotepe Hill.
November 12 » The frozen bodies of Robert Scott and his men are found on the Ross Ice Shelf in Antarctica.
Day of death April 2, 1952
The temperature on April 2, 1952 was between -2.0 °C and 6.6 °C and averaged 2.2 °C. There was 1.1 mm of rain during 0.9 hours. There was 7.1 hours of sunshine (55%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
April 21 » Secretary's Day (now Administrative Professionals' Day) is first celebrated.
July 3 » The SSUnited States sets sail on her maiden voyage to Southampton. During the voyage, the ship takes the Blue Riband away from the RMSQueen Mary.
October 3 » The United Kingdom successfully tests a nuclear weapon to become the world's third nuclear power.
October 8 » The Harrow and Wealdstone rail crash kills 112 people.
November 19 » Greek Field Marshal Alexander Papagos becomes the 152nd Prime Minister of Greece.
December 30 » An RAF Avro Lancaster bomber crashed in Luqa, Malta after an engine failure, killing three crew members and a civilian on the ground.
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The Family tree Van Os publication was prepared by wijlen Harry Lubberman (as indicated in the digital, genealogical legacy, this publication remains online, contact is not possible).
When copying data from this family tree, please include a reference to the origin: wijlen Harry Lubberman, "Family tree Van Os", database, Genealogy Online (https://www.genealogieonline.nl/van-os-stamboom/I8154.php : accessed February 20, 2026), "Helena Theodora Sibum (1891-1952)".
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