January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
April 2 » "Electric Theatre", the first full-time movie theater in the United States, opens in Los Angeles.
April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
August 22 » Cadillac Motor Company is founded.
August 22 » Theodore Roosevelt becomes the first President of the United States to make a public appearance in an automobile.
November 29 » The Pittsburgh Stars defeated the Philadelphia Athletics, 11–0 to win the first championship associated with an American national professional football league.
Day of marriage May 5, 1927
The temperature on May 5, 1927 was between 10.6 °C and 25.0 °C and averaged 17.4 °C. There was 1.5 mm of rain. There was 8.4 hours of sunshine (56%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 10 » Fritz Lang's futuristic film Metropolis is released in Germany.
April 7 » The first long-distance public television broadcast (from Washington, D.C., to New York City, displaying the image of Commerce Secretary Herbert Hoover).
April 19 » Mae West is sentenced to ten days in jail for obscenity for her play Sex.
November 13 » The Holland Tunnel opens to traffic as the first Hudson River vehicle tunnel linking New Jersey to New York City.
November 21 » Columbine Mine massacre: Striking coal miners are allegedly attacked with machine guns by a detachment of state police dressed in civilian clothes.
December 8 » The Brookings Institution, one of the United States' oldest think tanks, is founded through the merger of three organizations that had been created by philanthropist Robert S. Brookings.
Day of death September 14, 1991
The temperature on September 14, 1991 was between 3.9 °C and 24.0 °C and averaged 15.6 °C. There was 10.2 hours of sunshine (80%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-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.
February 15 » The Visegrád Agreement, establishing cooperation to move toward free-market systems, is signed by the leaders of Czechoslovakia, Hungary and Poland.
March 2 » Battle at Rumaila oil field brings an end to the 1991 Gulf War.
March 3 » An amateur video captures the beating of Rodney King by Los Angeles police officers.
August 21 » Coup attempt against Mikhail Gorbachev collapses.
September 19 » Ötzi the Iceman is discovered in the Alps on the border between Italy and Austria.
October 1 » Croatian War of Independence: The Siege of Dubrovnik begins.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I77832.php : accessed October 12, 2026), "Zwaantje Helder (1902-1991)".
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