May 1 » Spanish–American War: Battle of Manila Bay: The Asiatic Squadron of the United States Navy destroys the Pacific Squadron of the Spanish Navy after a seven-hour battle. Spain loses all seven of its ships, and 381 Spanish sailors die. There are no American vessel losses or combat deaths.
June 12 » Philippine Declaration of Independence: General Emilio Aguinaldo declares the Philippines' independence from Spain.
July 1 » Spanish–American War: The Battle of San Juan Hill is fought in Santiago de Cuba, Cuba.
July 4 » En route from New York to Le Havre, the SS La Bourgogne collides with another ship and sinks off the coast of Sable Island, with the loss of 549 lives.
August 28 » Caleb Bradham's beverage "Brad's Drink" is renamed "Pepsi-Cola".
October 1 » The Vienna University of Economics and Business Administration is founded under the name k.u.k. Exportakademie.
Day of marriage July 25, 1921
The temperature on July 25, 1921 was between 9.7 °C and 25.4 °C and averaged 19.2 °C. There was 8.0 hours of sunshine (50%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
March 1 » The Australian cricket team captained by Warwick Armstrong becomes the first team to complete a whitewash of The Ashes, something that would not be repeated for 86 years.
March 18 » The Kronstadt rebellion is suppressed by the Red Army.
June 12 » Mikhail Tukhachevsky orders the use of chemical weapons against the Tambov Rebellion, bringing an end to the peasant uprising.
July 2 » World War I: U.S. President Warren G. Harding signs the Knox–Porter Resolution formally ending the war between the United States and Germany.
October 8 » KDKA in Pittsburgh's Forbes Field conducts the first live broadcast of a football game.
October 19 » The Portuguese Prime Minister and several officials are murdered in the Bloody Night coup.
Day of death July 12, 1992
The temperature on July 12, 1992 was between 14.5 °C and 19.4 °C and averaged 16.8 °C. There was 2.2 mm of rain during 3.1 hours. There was 6.3 hours of sunshine (38%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 22 » Space Shuttle program: the space shuttle Discovery launches on STS-42 carrying Dr. Roberta Bondar, who becomes the first Canadian woman and the first neurologist in space.
February 7 » The Maastricht Treaty is signed, leading to the creation of the European Union.
June 17 » A "joint understanding" agreement on arms reduction is signed by U.S. President George Bush and Russian President Boris Yeltsin (this would be later codified in START II).
July 19 » A car bomb kills Judge Paolo Borsellino and five members of his escort.
July 31 » The nation of Georgia joins the United Nations.
November 27 » For the second time in a year, military forces try to overthrow president Carlos Andrés Pérez in Venezuela.
When copying data from this family tree, please include a reference to the origin: Louis Kramer, "Kramer Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/kramer_stamboom/I531770.php : accessed February 18, 2026), "Johannes Frans Posthuma (1898-1992)".
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