The temperature on August 13, 1884 was about 23.9 °C. The air pressure was 2 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 65%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
March 13 » The Siege of Khartoum begins. It lasts until January 26, 1885.
May 1 » The Federation of Organized Trades and Labor Unions demands the eight-hour work day in the United States.
June 16 » The first purpose-built roller coaster, LaMarcus Adna Thompson's "Switchback Railway", opens in New York's Coney Island amusement park.
July 3 » Dow Jones & Company publishes its first stock average.
October 13 » The International Meridian Conference establishes the meridian of the Greenwich Observatory as the prime meridian.
December 6 » The Washington Monument in Washington, D.C., is completed.
Day of death February 1, 1967
The temperature on February 1, 1967 was between 7.1 °C and 9.7 °C and averaged 8.5 °C. There was 10.8 mm of rain during 6.9 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
March 12 » Suharto takes power from Sukarno when the People's Consultative Assembly inaugurate him as Acting President of Indonesia.
March 18 » The supertanker Torrey Canyon runs aground off the Cornish coast.
June 23 » Cold War: U.S. President Lyndon B. Johnson meets with Soviet Premier Alexei Kosygin in Glassboro, New Jersey for the three-day Glassboro Summit Conference.
September 1 » Six-Day War: The Khartoum Resolution is issued at the Arab Summit, and eight countries adopt the "three 'no's against Israel".
September 10 » The people of Gibraltar vote to remain a British dependency rather than becoming part of Spain.
October 29 » Montreal's World Fair, Expo 67, closes with over 50 million visitors.
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/I60089.php : accessed October 18, 2026), "Willem Zijlstra (1884-1967)".
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