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 2 » In Punxsutawney, Pennsylvania the first Groundhog Day is observed.
April 10 » On Easter Sunday, Pope Leo XIII authorizes the establishment of the Catholic University of America.
April 28 » A week after being arrested by the Prussian Secret Police, French police inspector Guillaume Schnaebelé is released on order of William I, German Emperor, defusing a possible war.
June 23 » The Rocky Mountains Park Act becomes law in Canada creating the nation's first national park, Banff National Park.
July 4 » The founder of Pakistan, Quaid-i-Azam Muhammad Ali Jinnah, joins Sindh-Madrasa-tul-Islam, Karachi.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
Day of marriage April 29, 1910
The temperature on April 29, 1910 was between 1.8 °C and 10.8 °C and averaged 6.6 °C. There was 1.8 mm of rain. There was 10.5 hours of sunshine (71%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
April 12 » SMSZrínyi, one of the last pre-dreadnought battleships built by the Austro-Hungarian Navy, is launched.
May 6 » George V becomes King of Great Britain, Ireland, and many overseas territories, on the death of his father, Edward VII.
June 19 » The first Father's Day is celebrated in Spokane, Washington.
November 14 » Aviator Eugene Burton Ely performs the first takeoff from a ship in Hampton Roads, Virginia, taking off from a makeshift deck on the USS Birmingham in a Curtiss pusher.
November 21 » Sailors on board Brazil's warships including the Minas Gerais, São Paulo, and Bahia, violently rebel in what is now known as the Revolta da Chibata (Revolt of the Lash).
December 3 » Modern neon lighting is first demonstrated by Georges Claude at the Paris Motor Show.
Day of death January 22, 1965
The temperature on January 22, 1965 was between -3.1 °C and 3.1 °C and averaged 0.8 °C. There was 4.1 mm of rain during 4.0 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Parentage of Willem Aerts", database, Genealogy Online (https://www.genealogieonline.nl/willem-aerts/I31270.php : accessed February 6, 2026), "Trijntje Oudendorp (1887-1965)".
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