February 20 » The legislature of Hawaii Territory convenes for the first time.
March 1 » The Australian Army is formed.
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 14 » U.S. President William McKinley dies after being mortally wounded on September 6 by anarchist Leon Czolgosz and is succeeded by Vice President Theodore Roosevelt.
October 12 » President Theodore Roosevelt officially renames the "Executive Mansion" to the White House.
Day of death April 30, 1973
The temperature on April 30, 1973 was between -1.8 °C and 15.6 °C and averaged 9.2 °C. There was 5.2 mm of rain during 5.3 hours. There was 0.7 hours of sunshine (5%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
January 15 » Vietnam War: Citing progress in peace negotiations, President Richard Nixon announces the suspension of offensive action in North Vietnam.
March 29 » Vietnam War: The last United States combat soldiers leave South Vietnam.
July 25 » Soviet Mars 5 space probe is launched.
August 2 » A flash fire kills 51 people at the Summerland amusement centre at Douglas, Isle of Man.
October 30 » The Bosphorus Bridge in Turkey is completed, connecting the continents of Europe and Asia over the Bosphorus for the second time.
December 24 » District of Columbia Home Rule Act is passed, allowing residents of Washington, D.C. to elect their own local government.
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/I132496.php : accessed October 24, 2026), "Jan Wiering (1901-1973)".
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