May 3 » The Great Fire of 1901 begins in Jacksonville, Florida.
August 6 » Kiowa land in Oklahoma is opened for white settlement, effectively dissolving the contiguous reservation.
August 14 » The first claimed powered flight, by Gustave Whitehead in his Number 21.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
October 29 » Leon Czolgosz, the assassin of U.S. President William McKinley, is executed by electrocution.
Day of marriage March 8, 1928
The temperature on March 8, 1928 was between -0.4 °C and 6.0 °C and averaged 3.1 °C. There was 4.3 mm of rain. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
January 1 » Boris Bazhanov defects through Iran. He is the only assistant of Joseph Stalin's secretariat to have defected from the Eastern Bloc.
September 27 » The Republic of China is recognized by the United States.
September 28 » Alexander Fleming notices a bacteria-killing mold growing in his laboratory, discovering what later became known as penicillin.
October 2 » The "Prelature of the Holy Cross and the Work of God", commonly known as Opus Dei, is founded.
October 28 » The "Indonesia Raya", now the national anthem, is first played during the Second Indonesian Youth Congress.
November 18 » Release of the animated short Steamboat Willie, the first fully synchronized sound cartoon, directed by Walt Disney and Ub Iwerks, featuring the third appearances of cartoon characters Mickey Mouse and Minnie Mouse. This is considered by the Disney corporation to be Mickey's birthday.
Day of death February 13, 1969
The temperature on February 13, 1969 was between -14.1 °C and -3.0 °C and averaged -7.5 °C. There was 7.2 hours of sunshine (73%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
January 19 » Student Jan Palach dies after setting himself on fire three days earlier in Prague's Wenceslas Square to protest about the invasion of Czechoslovakia by the Soviet Union in 1968. His funeral turns into another major protest.
June 22 » The Cuyahoga River catches fire in Cleveland, Ohio, drawing national attention to water pollution, and spurring the passing of the Clean Water Act and the creation of the Environmental Protection Agency.
July 16 » Apollo program: Apollo 11, the first mission to land astronauts on the Moon, is launched from the Kennedy Space Center at Cape Kennedy, Florida.
September 1 » A coup in Libya brings Muammar Gaddafi to power.
September 1 » Trần Thiện Khiêm becomes Prime Minister of South Vietnam under President Nguyễn Văn Thiệu.
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.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I20055.php : accessed February 21, 2026), "Pieter Dekker (1901-1969)".
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