February 14 » The United States Department of Commerce and Labor is established (later split into the Department of Commerce and the Department of Labor).
February 23 » Cuba leases Guantánamo Bay to the United States "in perpetuity".
April 29 » A landslide kills 70 people in Frank, in the District of Alberta, Canada.
June 19 » Benito Mussolini, at the time a radical Socialist, is arrested by Bern police for advocating a violent general strike.
August 18 » German engineer Karl Jatho allegedly flies his self-made, motored gliding airplane four months before the first flight of the Wright brothers.
December 14 » The Wright brothers make their first attempt to fly with the Wright Flyer at Kitty Hawk, North Carolina.
Day of death March 7, 1945
The temperature on March 7, 1945 was between 4.1 °C and 7.0 °C and averaged 5.1 °C. There was 0.6 mm of rain during 1.5 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. 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.
In The Netherlands , there was from February 23, 1945 to June 24, 1945 the cabinet Gerbrandy III, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
February 15 » World War II: Third day of bombing in Dresden.
March 21 » World War II: British troops liberate Mandalay, Burma.
April 30 » World War II: Stalag Luft I prisoner-of-war camp near Barth, Germany is liberated by Soviet soldiers, freeing nearly 9000 American and British airmen.
July 30 » World War II: Japanese submarineI-58 sinks the USSIndianapolis, killing 883 seamen. Most die during the following four days, until an aircraft notices the survivors.
December 12 » The People's Republic of Korea is outlawed in the South, by order of the United States Army Military Government in Korea.
December 19 » John Amery, British Fascist, is executed at the age of 33 by the British Government for treason.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I4085.php : accessed February 25, 2026), "Nicolaas Bartholomeus Wolff (1903-1945)".
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