January 1 » Nigeria becomes a British protectorate.
January 10 » The first great Texas oil gusher is discovered at Spindletop in Beaumont, Texas.
March 2 » United States Steel Corporation is founded as a result of a merger between Carnegie Steel Company and Federal Steel Company which became the first corporation in the world with a market capital over $1 billion.
July 4 » William Howard Taft becomes American governor of the Philippines.
August 28 » Silliman University is founded in the Philippines. It is the first American private school in the country.
December 10 » The first Nobel Prize ceremony is held in Stockholm on the fifth anniversary of Alfred Nobel's death.
Day of marriage September 11, 1943
The temperature on September 11, 1943 was between 13.1 °C and 21.0 °C and averaged 16.0 °C. There was 0.7 hours of sunshine (5%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 9 » World War II: Allied authorities declare Guadalcanal secure after Imperial Japan evacuates its remaining forces from the island, ending the Battle of Guadalcanal.
February 14 » World War II: Tunisia Campaign: General Hans-Jürgen von Arnim's Fifth Panzer Army launches a concerted attack against Allied positions in Tunisia.
May 14 » World War II: A Japanese submarine sinks AHSCentaur off the coast of Queensland.
June 25 » The left-wing German Jewish exile Arthur Goldstein is murdered in Auschwitz.
September 6 » The Monterrey Institute of Technology is founded in Monterrey, Mexico as one of the largest and most influential private universities in Latin America.
November 18 » World War II: Battle of Berlin: Four hundred and forty Royal Air Force planes bomb Berlin causing only light damage and killing 131. The RAF loses nine aircraft and 53 air crew.
Day of death May 23, 1969
The temperature on May 23, 1969 was between 3.9 °C and 18.1 °C and averaged 12.4 °C. There was 8.3 hours of sunshine (52%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 5 » The Venera 5 space probe is launched at 06:28:08 UTC from Baikonur.
January 16 » Soviet spacecraft Soyuz 4 and Soyuz 5 perform the first-ever docking of manned spacecraft in orbit, the first-ever transfer of crew from one space vehicle to another, and the only time such a transfer was accomplished with a space walk.
April 5 » Vietnam War: Massive antiwar demonstrations occur in many U.S. cities.
June 23 » Warren E. Burger is sworn in as Chief Justice of the United States Supreme Court by retiring Chief Justice Earl Warren.
October 8 » The opening rally of the Days of Rage occurs, organized by the Weather Underground in Chicago.
October 17 » The Caravaggio painting Nativity with St. Francis and St. Lawrence is stolen from the Oratory of Saint Lawrence in Palermo.
Day of burial May 25, 1969
The temperature on May 25, 1969 was between 14.1 °C and 21.9 °C and averaged 17.3 °C. There was 0.2 mm of rain during 0.3 hours. There was 3.9 hours of sunshine (24%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
January 16 » Soviet spacecraft Soyuz 4 and Soyuz 5 perform the first-ever docking of manned spacecraft in orbit, the first-ever transfer of crew from one space vehicle to another, and the only time such a transfer was accomplished with a space walk.
April 1 » The Hawker Siddeley Harrier, the first operational fighter aircraft with Vertical/Short Takeoff and Landing capabilities, enters service with the Royal Air Force.
May 9 » Carlos Lamarca leads the first urban guerrilla action against the military dictatorship of Brazil in São Paulo, by robbing two banks.
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.
October 8 » The opening rally of the Days of Rage occurs, organized by the Weather Underground in Chicago.
December 24 » Nigerian troops capture Umuahia, the Biafran capital.
When copying data from this family tree, please include a reference to the origin: George Ingerman, "Stamboom Ingerman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ingerman/I66.php : accessed February 15, 2026), "Marthea Dorothea Mann (1901-1969)".
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