The temperature on May 1, 1904 was between 7.6 °C and 17.1 °C and averaged 11.9 °C. There was 2.7 hours of sunshine (18%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
January 8 » The Blackstone Library is dedicated, marking the beginning of the Chicago Public Library system.
February 28 » S.L. Benfica is founded in Portugal.
May 9 » The steam locomotive City of Truro becomes the first steam engine in Europe to exceed 100mph (160km/h).
May 15 » Russo-Japanese War: The Russian minelayer Amur lays a minefield about 15 miles off Port Arthur and sinks Japan's battleships Hatsuse, 15,000 tons, with 496 crew and Yashima.
June 16 » Eugen Schauman assassinates Nikolay Bobrikov, Governor-General of Finland.
December 6 » Theodore Roosevelt articulated his "Corollary" to the Monroe Doctrine, stating that the U.S. would intervene in the Western Hemisphere should Latin American governments prove incapable or unstable.
Day of marriage April 23, 1927
The temperature on April 23, 1927 was between 5.4 °C and 11.8 °C and averaged 8.6 °C. There was 2.6 mm of rain. There was 5.3 hours of sunshine (37%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west. Source: KNMI
January 1 » New Mexican oil legislation goes into effect, leading to the formal outbreak of the Cristero War.
February 23 » German theoretical physicist Werner Heisenberg writes a letter to fellow physicist Wolfgang Pauli, in which he describes his uncertainty principle for the first time.
May 20 » Treaty of Jeddah: The United Kingdom recognizes the sovereignty of King Ibn Saud in the Kingdoms of Hejaz and Nejd, which later merge to become the Kingdom of Saudi Arabia.
July 24 » The Menin Gate war memorial is unveiled at Ypres.
August 7 » The Peace Bridge opens between Fort Erie, Ontario and Buffalo, New York.
August 27 » Five Canadian women file a petition to the Supreme Court of Canada, asking, "Does the word 'Persons' in Section 24 of the British North America Act, 1867, include female persons?"
Day of death February 5, 1995
The temperature on February 5, 1995 was between 3.9 °C and 8.4 °C and averaged 6.6 °C. There was -0.1 mm of rain. The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
January 25 » The Norwegian rocket incident: Russia almost launches a nuclear attack after it mistakes Black Brant XII, a Norwegian research rocket, for a US Trident missile.
February 21 » Steve Fossett lands in Leader, Saskatchewan, Canada becoming the first person to make a solo flight across the Pacific Ocean in a balloon.
February 22 » The Corona reconnaissance satellite program, in existence from 1959 to 1972, is declassified.
May 1 » Croatian War of Independence: Croatian forces launch Operation Flash.
May 2 » During the Croatian War of Independence, the Army of the Republic of Serb Krajina fires cluster bombs at Zagreb, killing seven and wounding over 175 civilians.
October 25 » A commuter train slams into a school bus in Fox River Grove, Illinois, killing seven students.
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/I199782.php : accessed October 16, 2026), "Kornelis Helmholt (1904-1995)".
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