The temperature on February 28, 1911 was between 5.5 °C and 11.2 °C and averaged 8.9 °C. There was 6.1 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
February 18 » The first official flight with airmail takes place from Allahabad, United Provinces, British India (now India), when Henri Pequet, a 23-year-old pilot, delivers 6,500 letters to Naini, about 10 kilometres (6.2mi) away.
May 30 » At the Indianapolis Motor Speedway, the first Indianapolis 500 ends with Ray Harroun in his Marmon Wasp becoming the first winner of the 500-mile auto race.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
June 22 » Mexican Revolution: Government forces bring an end to the Magonista rebellion of 1911 in the Second Battle of Tijuana.
September 24 » His Majesty's Airship No. 1, Britain's first rigid airship, is wrecked by strong winds before her maiden flight at Barrow-in-Furness.
October 5 » The Kowloon–Canton Railway commences service.
Day of death January 30, 1945
The temperature on January 30, 1945 was between -6.7 °C and 2.3 °C and averaged -3.2 °C. There was 1.2 mm of rain during 4.3 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. 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 14 » World War II: On the first day of the bombing of Dresden, the British Royal Air Force and the United States Army Air Forces begin fire-bombing Dresden.
February 16 » World War II: American forces land on Corregidor Island in the Philippines.
April 25 » The last German troops retreat from Finland's soil in Lapland, ending the Lapland War. Military acts of Second World War end in Finland.
May 1 » World War II: Forces of the Soviet Red Army liberate Allied prisoners of war imprisoned at Stalag Luft I near Barth, Germany.
September 9 » Second Sino-Japanese War: The Empire of Japan formally surrenders to China.
December 15 » Occupation of Japan/Shinto Directive: General Douglas MacArthur orders that Shinto be abolished as the state religion of Japan.
When copying data from this family tree, please include a reference to the origin: T. Kurvers, "Family tree Kurvers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_kurvers/I7535.php : accessed March 2, 2026), "Johannes Helder (1911-1945)".
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