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).
February 13 » Italian unification: The Siege of Gaeta ends with the capitulation of the defending fortress, effectively bringing an end of the Kingdom of the Two Sicilies.
February 23 » President-elect Abraham Lincoln arrives secretly in Washington, D.C., after the thwarting of an alleged assassination plot in Baltimore, Maryland.
May 20 » American Civil War: The state of Kentucky proclaims its neutrality, which will last until September 3 when Confederate forces enter the state. Meanwhile, the State of North Carolina secedes from the Union.
November 7 » The first Melbourne Cup horse race is held in Melbourne, Australia.
November 8 » American Civil War: The "Trent Affair": The USSSan Jacinto stops the British mail ship Trent and arrests two Confederate envoys, sparking a diplomatic crisis between the UK and US.
November 9 » The first documented football match in Canada is played at University College, Toronto.
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 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
January 22 » Columbia Phonograph is formed in Washington, D.C.
May 11 » An attack upon a U.S. Army paymaster and escort results in the theft of over $28,000 and the award of two Medals of Honor.
August 13 » William Gray of Hartford, Connecticut is granted United States Patent Number 408,709 for "Coin-controlled apparatus for telephones."
September 23 » Nintendo Koppai (Later Nintendo Company, Limited) is founded by Fusajiro Yamauchi to produce and market the playing card game Hanafuda.
November 2 » North Dakota and South Dakota are admitted as the 39th and 40th U.S. states.
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 19 » World War II: The Japanese conquest of Burma begins.
February 1 » Mao Zedong makes a speech on "Reform in Learning, the Party and Literature", which puts into motion the Yan'an Rectification Movement.
April 5 » World War II: The Imperial Japanese Navy launches a carrier-based air attack on Colombo, Ceylon during the Indian Ocean raid. Port and civilian facilities are damaged and the Royal Navy cruisers HMSCornwall and HMSDorsetshire are sunk southwest of the island.
April 9 » World War II: The Battle of Bataan ends. An Indian Ocean raid by Japan's 1st Air Fleet sinks the British aircraft carrier HMSHermes and the Australian destroyer HMASVampire.
October 9 » Australia's Statute of Westminster Adoption Act 1942 receives royal assent.
December 24 » World War II: French monarchist, Fernand Bonnier de La Chapelle, assassinates Vichy French Admiral François Darlan in Algiers, Algeria.
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 October 11, 2026), "Roelf IJbema (1861-1942)".
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