The temperature on April 17, 1915 was between 0.4 °C and 12.0 °C and averaged 7.9 °C. There was 0.1 mm of rain. There was 9.5 hours of sunshine (68%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
May 7 » The Republic of China accedes to 13 of the 21 Demands, extending the Empire of Japan's control over Manchuria and the Chinese economy.
June 9 » William Jennings Bryan resigns as Woodrow Wilson's Secretary of State over a disagreement regarding the United States' handling of the sinking of the RMSLusitania.
July 7 » Colombo Town Guard officer Henry Pedris is executed in British Ceylon for allegedly inciting persecution of Muslims.
September 25 » World War I: The Second Battle of Champagne begins.
October 14 » World War I: Bulgaria joins the Central Powers.
Day of death April 30, 1975
The temperature on April 30, 1975 was between 4.5 °C and 13.6 °C and averaged 9.2 °C. There was 3.6 mm of rain during 4.6 hours. There was 9.4 hours of sunshine (63%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
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.
February 28 » In London, an underground train fails to stop at Moorgate terminus station and crashes into the end of the tunnel, killing 43 people.
March 10 » Vietnam War: Ho Chi Minh Campaign: North Vietnamese troops attack Ban Mê Thuột in the South on their way to capturing Saigon in the final push for victory over South Vietnam.
August 15 » Takeo Miki makes the first official pilgrimage to Yasukuni Shrine by an incumbent prime minister on the anniversary of the end of World War II.
September 4 » The Sinai Interim Agreement relating to the Arab–Israeli conflict is signed.
October 14 » An RAF Avro Vulcan bomber explodes and crashes over Żabbar, Malta after an aborted landing, killing five crew members and one person on the ground.
November 10 » The 729-foot-long freighter SSEdmund Fitzgerald sinks during a storm on Lake Superior, killing all 29 crew on board.
When copying data from this family tree, please include a reference to the origin: W.J. Oving, "Family tree Oving", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-oving/I11042.php : accessed February 20, 2026), "Johanna Carolina KEUPER (1915-1975)".
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