The temperature on December 15, 1867 was about 7.5 °C. The air pressure was 14 kgf/m2 and came mainly from the northwest. The airpressure was 75 cm mercury. The atmospheric humidity was 81%. Source: KNMI
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
March 2 » The U.S. Congress passes the first Reconstruction Act.
March 30 » Alaska is purchased from Russia for $7.2 million, about 2-cent/acre ($4.19/km²), by United States Secretary of State William H. Seward.
May 3 » The Hudson's Bay Company gives up all claims to Vancouver Island.
June 19 » Maximilian I of the Second Mexican Empire is executed by a firing squad in Querétaro, Querétaro.
September 28 » Toronto becomes the capital of Ontario, having also been the capital of Ontario's predecessors since 1796.
December 13 » A Fenian bomb explodes in Clerkenwell, London, killing six.
Day of marriage May 20, 1893
The temperature on May 20, 1893 was about 19.9 °C. There was 4 mm of rain. The airpressure was 76 cm mercury. The atmospheric humidity was 66%. Source: KNMI
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
January 13 » The Independent Labour Party of the United Kingdom holds its first meeting.
January 13 » U.S. Marines land in Honolulu, Hawaii from the USSBoston to prevent the queen from abrogating the Bayonet Constitution.
June 13 » Grover Cleveland notices a rough spot in his mouth and on July 1 undergoes secret, successful surgery to remove a large, cancerous portion of his jaw; the operation was not revealed to the public until 1917, nine years after the president's death.
August 27 » The Sea Islands hurricane strikes the United States near Savannah, Georgia, killing between 1,000–2,000 people.
November 1 » The Battle of Bembezi took place and was the most decisive battle won by the British in the First Matabele War of 1893.
December 4 » First Matabele War: A patrol of 34 British South Africa Company soldiers is ambushed and annihilated by more than 3,000 Matabele warriors on the Shangani River in Matabeleland.
Day of death October 6, 1944
The temperature on October 6, 1944 was between 4.6 °C and 16.0 °C and averaged 10.0 °C. There was 9.8 hours of sunshine (86%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the 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 29 » World War II: Approximately 38 people are killed and about a dozen injured when the Polish village of Koniuchy (present-day Kaniūkai, Lithuania) is attacked by Soviet partisan units.
February 17 » World War II: Operation Hailstone begins: U.S. naval air, surface, and submarine attack against Truk Lagoon, Japan's main base in the central Pacific, in support of the Eniwetok invasion.
July 20 » World War II: Adolf Hitler survives an assassination attempt led by German Army Colonel Claus von Stauffenberg.
August 2 » World War II: The largest trade convoy of the world wars arrives safely in the Western Approaches.
November 7 » Soviet spy Richard Sorge, a half-Russian, half-German World War I veteran, is hanged by his Japanese captors along with 34 of his ring.
November 24 » World War II: The 73rd Bombardment Wing launches the first attack on Tokyo from the Northern Mariana Islands.
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/I97820.php : accessed October 6, 2026), "Sierk Roorda (1867-1944)".
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