The temperature on July 27, 1911 was between 10.8 °C and 29.0 °C and averaged 21.4 °C. There was 13.4 hours of sunshine (85%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
January 29 » Mexican Revolution: Mexicali is captured by the Mexican Liberal Party, igniting the Magonista rebellion of 1911.
March 25 » In New York City, the Triangle Shirtwaist Factory fire kills 146 garment workers.
May 23 » The New York Public Library is dedicated.
August 29 » Ishi, considered the last Native American to make contact with European Americans, emerges from the wilderness of northeastern California.
September 18 » Russian Premier Pyotr Stolypin is shot at the Kiev Opera House.
December 24 » Lackawanna Cut-Off railway line opens in New Jersey and Pennsylvania.
Day of death June 7, 1970
The temperature on June 7, 1970 was between 15.6 °C and 27.3 °C and averaged 22.1 °C. There was 8.2 hours of sunshine (49%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
March 21 » The first Earth Day proclamation is issued by Joseph Alioto, Mayor of San Francisco.
May 11 » The 1970 Lubbock tornado kills 26 and causes $250million in damage.
September 9 » A British airliner is hijacked by the Popular Front for the Liberation of Palestine and flown to Dawson's Field in Jordan.
October 5 » The Public Broadcasting Service (PBS) is founded.
October 16 » Canadian Prime Minister Pierre Trudeau invokes the War Measures Act during the October Crisis.
November 17 » Luna programme: The Soviet Union lands Lunokhod 1 on Mare Imbrium (Sea of Rains) on the Moon. This is the first roving remote-controlled robot to land on another world and is released by the orbiting Luna 17 spacecraft.
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/I86565.php : accessed October 22, 2026), "Jan Grimmius (1911-1970)".
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