The temperature on November 20, 1861 was about 2.6 °C. There was 0.1 mm of rain. The air pressure was 7.5 kgf/m2 and came mainly from the west-southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 89%. 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 3 » American Civil War: Delaware votes not to secede from the United States.
February 23 » President-elect Abraham Lincoln arrives secretly in Washington, D.C., after the thwarting of an alleged assassination plot in Baltimore, Maryland.
March 10 » El Hadj Umar Tall seizes the city of Ségou, destroying the Bamana Empire of Mali.
June 3 » American Civil War: Battle of Philippi (also called the Philippi Races): Union forces rout Confederate troops in Barbour County, Virginia, now West Virginia.
July 25 » American Civil War: The United States Congress passes the Crittenden–Johnson Resolution, stating that the war is being fought to preserve the Union and not to end slavery.
October 21 » American Civil War: Union forces under Colonel Edward Baker are defeated by Confederate troops in the second major battle of the war.
Day of marriage May 14, 1887
The temperature on May 14, 1887 was about 14.1 °C. The air pressure was 70 kgf/m2 and came mainly from the north-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 50%. 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.
June 18 » The Reinsurance Treaty between Germany and Russia is signed.
June 23 » The Rocky Mountains Park Act becomes law in Canada creating the nation's first national park, Banff National Park.
July 6 » David Kalākaua, monarch of the Kingdom of Hawaii, is forced to sign the Bayonet Constitution, which transfers much of the king's authority to the Legislature of the Kingdom of Hawaii.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
October 1 » Balochistan is conquered by the British Empire.
November 13 » Bloody Sunday clashes in central London.
Day of death December 25, 1949
The temperature on December 25, 1949 was between -0.2 °C and 2.7 °C and averaged 1.1 °C. There was 0.2 mm of rain during 0.2 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
January 1 » United Nations cease-fire takes effect in Kashmir from one minute before midnight. War between India and Pakistan stops accordingly.
January 3 » The Bangko Sentral ng Pilipinas, the central bank of the Philippines, is established.
March 31 » The Dominion of Newfoundland joins the Canadian Confederation and becomes the 10th Province of Canada.
April 28 » The Hukbalahap are accused of assassinating former First Lady of the Philippines Aurora Quezon, while she is en route to dedicate a hospital in memory of her late husband; her daughter and ten others are also killed.
December 2 » Convention for the Suppression of the Traffic in Persons and of the Exploitation of the Prostitution of Others is adopted.
December 27 » Indonesian National Revolution: The Netherlands officially recognizes Indonesian independence. End of the Dutch East Indies.
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/I14390.php : accessed October 25, 2026), "Jan Merkus (1861-1949)".
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