The temperature on April 6, 1861 was about 9.1 °C. There was 0.1 mm of rain. The air pressure was 4 kgf/m2 and came mainly from the north-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 66%. Source: KNMI
From February 23, 1860 till March 14, 1861 the Netherlands had a cabinet Van Hall - Van Heemstra with the prime ministers Mr. F.A. baron Van Hall (conservatief-liberaal) and Mr. S. baron Van Heemstra (liberaal).
From March 14, 1861 till January 31, 1862 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Loudon with the prime ministers Mr. J.P.P. baron Van Zuijlen van Nijevelt (conservatief-liberaal) and Mr. J. Loudon (liberaal).
January 10 » American Civil War: Florida becomes the third state to secede from the Union.
February 23 » President-elect Abraham Lincoln arrives secretly in Washington, D.C., after the thwarting of an alleged assassination plot in Baltimore, Maryland.
June 1 » American Civil War: The Battle of Fairfax Court House is fought.
August 5 » American Civil War: In order to help pay for the war effort, the United States government levies the first income tax as part of the Revenue Act of 1861 (3% of all incomes over US$800; rescinded in 1872).
December 10 » Forces led by Nguyễn Trung Trực, an anti-colonial guerrilla leader in southern Vietnam, sink the French lorcha L'Esperance.
December 21 » Medal of Honor: Public Resolution 82, containing a provision for a Navy Medal of Valor, is signed into law by President Abraham Lincoln.
Day of marriage May 23, 1889
The temperature on May 23, 1889 was about 26.2 °C. The air pressure was 4 kgf/m2 and came mainly from the south-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 35%. Source: KNMI
January 15 » The Coca-Cola Company, then known as the Pemberton Medicine Company, is incorporated in Atlanta.
January 22 » Columbia Phonograph is formed in Washington, D.C.
April 22 » At noon, thousands rush to claim land in the Land Rush of 1889. Within hours the cities of Oklahoma City and Guthrie are formed with populations of at least 10,000.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
November 2 » North Dakota and South Dakota are admitted as the 39th and 40th U.S. states.
November 8 » Montana is admitted as the 41st U.S. state.
Day of death July 2, 1942
The temperature on July 2, 1942 was between 8.2 °C and 23.6 °C and averaged 17.1 °C. There was 13.1 hours of sunshine (79%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. 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.
January 16 » Crash of TWA Flight 3, killing all 22 aboard, including film star Carole Lombard.
February 15 » World War II: Fall of Singapore. Following an assault by Japanese forces, the British General Arthur Percival surrenders. About 80,000 Indian, United Kingdom and Australian soldiers become prisoners of war, the largest surrender of British-led military personnel in history.
April 26 » Benxihu Colliery accident in Manchukuo leaves 1549 Chinese miners dead.
August 24 » World War II: The Battle of the Eastern Solomons. Japanese aircraft carrier Ryūjō is sunk, with the loss of seven officers and 113 crewmen. The US carrier USSEnterprise is heavily damaged.
September 5 » World War II: Japanese high command orders withdrawal at Milne Bay, the first major Japanese defeat in land warfare during the Pacific War.
November 1 » World War II: Matanikau Offensive begins during the Guadalcanal Campaign and ends three days later with an American victory.
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/I149222.php : accessed February 12, 2026), "Roelf IJbema (1861-1942)".
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