The temperature on April 5, 1922 was between -1.1 °C and 8.7 °C and averaged 2.8 °C. There was 1.3 mm of rain. There was 6.7 hours of sunshine (51%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 11 » First use of insulin to treat diabetes in a human patient.
February 27 » A challenge to the Nineteenth Amendment to the United States Constitution, allowing women the right to vote, is rebuffed by the Supreme Court of the United States in Leser v. Garnett.
July 1 » The Great Railroad Strike of 1922 begins in the United States.
July 11 » The Hollywood Bowl opens.
August 2 » A typhoon hits Shantou, Republic of China, killing more than 50,000 people.
November 15 » At least 300 are massacred during a general strike in Guayaquil, Ecuador.
Day of marriage March 1, 1947
The temperature on March 1, 1947 was between -6.1 °C and -0.7 °C and averaged -3.3 °C. There was 1.5 mm of rain during 2.1 hours. There was 0.9 hours of sunshine (8%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
January 3 » Proceedings of the U.S. Congress are televised for the first time.
January 6 » Pan American Airlines becomes the first commercial airline to offer a round-the-world ticket.
February 23 » International Organization for Standardization is founded.
April 15 » Jackie Robinson debuts for the Brooklyn Dodgers, breaking baseball's color line.
August 4 » The Supreme Court of Japan is established.
October 26 » Kashmir conflict: The Maharaja of Kashmir and Jammu signs the Instrument of Accession with India.
Day of death January 11, 1969
The temperature on January 11, 1969 was between -0.3 °C and 4.1 °C and averaged 1.8 °C. There was 1.3 mm of rain during 2.6 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
April 9 » The first British-built Concorde 002 makes its maiden flight from Filton to RAF Fairford.
June 3 » Melbourne–Evans collision: off the coast of South Vietnam, the Australian aircraft carrier HMASMelbourne cuts the U.S. Navy destroyer USSFrank E. Evans in half.
July 30 » Vietnam War: US President Richard Nixon makes an unscheduled visit to South Vietnam and meets with President Nguyễn Văn Thiệu and U.S. military commanders.
August 17 » Category 5 Hurricane Camille hits the U.S. Gulf Coast, killing 256 and causing $1.42 billion in damage.
October 9 » In Chicago, the National Guard is called in as demonstrations continue over the trial of the "Chicago Eight".
November 17 » Cold War: Negotiators from the Soviet Union and the United States meet in Helsinki, Finland to begin SALT I negotiations aimed at limiting the number of strategic weapons on both sides.
Day of burial January 15, 1969
The temperature on January 15, 1969 was between 3.4 °C and 5.7 °C and averaged 4.4 °C. There was 7.2 mm of rain during 6.7 hours. There was 0.6 hours of sunshine (7%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 5 » The Venera 5 space probe is launched at 06:28:08 UTC from Baikonur.
April 3 » Vietnam War: United States Secretary of Defense Melvin Laird announces that the United States will start to "Vietnamize" the war effort.
June 23 » IBM announces that effective January 1970 it will price its software and services separately from hardware thus creating the modern software industry.
August 4 » Vietnam War: At the apartment of French intermediary Jean Sainteny in Paris, American representative Henry Kissinger and North Vietnamese representative Xuân Thuỷ begin secret peace negotiations. The negotiations will eventually fail.
August 21 » Gap Inc. opened their first store in San Francisco, California.
December 17 » Project Blue Book: The United States Air Force closes its study of UFOs.
When copying data from this family tree, please include a reference to the origin: J. Ackerman, "Family tree Ackerman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ackerman/I158.php : accessed February 11, 2026), "leonardus josephus "leo" Ackerman (1922-1969)".
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