The temperature on March 28, 1911 was between 1.5 °C and 12.5 °C and averaged 6.8 °C. There was 4.9 hours of sunshine (39%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 12 » The University of the Philippines College of Law is formally established; three future Philippine presidents are among the first enrollees.
February 18 » The first official flight with airmail takes place from Allahabad, United Provinces, British India (now India), when Henri Pequet, a 23-year-old pilot, delivers 6,500 letters to Naini, about 10 kilometres (6.2mi) away.
May 15 » In Standard Oil Co. of New Jersey v. United States, the United States Supreme Court declares Standard Oil to be an "unreasonable" monopoly under the Sherman Antitrust Act and orders the company to be broken up.
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
September 20 » The White Star Line's RMSOlympic collides with the British warship HMSHawke.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
Day of death April 1, 1955
The temperature on April 1, 1955 was between -0.9 °C and 7.3 °C and averaged 4.4 °C. There was 1.5 hours of sunshine (12%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
April 7 » Winston Churchill resigns as Prime Minister of the United Kingdom amid indications of failing health.
April 15 » McDonald's restaurant dates its founding to the opening of a franchised restaurant by Ray Kroc, in Des Plaines, Illinois.
May 9 » Cold War: West Germany joins NATO.
September 25 » The Royal Jordanian Air Force is founded.
December 5 » E. D. Nixon and Rosa Parks lead the Montgomery Bus Boycott.
December 8 » The Flag of Europe is adopted by Council of Europe.
Day of burial April 6, 1955
The temperature on April 6, 1955 was between 7.4 °C and 19.2 °C and averaged 12.4 °C. There was 1.1 mm of rain during 0.5 hours. There was 9.2 hours of sunshine (69%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
April 1 » The EOKA rebellion against the British Empire begins in Cyprus, with the goal of unifying with Greece.
June 14 » Chile becomes a signatory to the Buenos Aires copyright treaty.
November 1 » The bombing of United Airlines Flight 629 occurs near Longmont, Colorado, killing all 39 passengers and five crew members aboard the Douglas DC-6B airliner.
November 5 » After being destroyed in World War II, the rebuilt Vienna State Opera reopens with a performance of Beethoven's Fidelio.
December 5 » E. D. Nixon and Rosa Parks lead the Montgomery Bus Boycott.
December 14 » Albania, Austria, Bulgaria, Cambodia, Ceylon, Finland, Hungary, Ireland, Italy, Jordan, Laos, Libya, Nepal, Portugal, Romania and Spain join the United Nations through United Nations Security Council Resolution 109.
When copying data from this family tree, please include a reference to the origin: Hans Pruckmuller, "Family tree Van Willigen", database, Genealogy Online (https://www.genealogieonline.nl/van-willigen-stamboom/I3855.php : accessed January 19, 2026), "Alida Maria van Willigen (van Willengen) (1911-1955)".
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