The temperature on May 13, 1867 was about 10.2 °C. The air pressure was 7 kgf/m2 and came mainly from the north-northwest. The airpressure was 75 cm mercury. The atmospheric humidity was 71%. 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).
February 17 » The first ship passes through the Suez Canal.
April 1 » Singapore becomes a British crown colony.
July 1 » The British North America Act takes effect as the Province of Canada, New Brunswick, and Nova Scotia join into confederation to create the modern nation of Canada. Sir John A. Macdonald is sworn in as the first Prime Minister of Canada. This date is commemorated annually in Canada as Canada Day, a national holiday.
November 9 » Tokugawa shogunate hands power back to the Emperor of Japan, starting the Meiji Restoration.
November 23 » The Manchester Martyrs are hanged in Manchester, England, for killing a police officer while freeing two Irish Republican Brotherhood members from custody.
December 4 » Former Minnesota farmer Oliver Hudson Kelley founds the Order of the Patrons of Husbandry (better known today as the Grange).
Day of marriage September 23, 1899
The temperature on September 23, 1899 was about 13.3 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 65%. Source: KNMI
February 4 » The Philippine–American War begins with the Battle of Manila.
March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
May 8 » The Irish Literary Theatre in Dublin produced its first play.
July 11 » Fiat founded by Giovanni Agnelli in Turin, Italy.
July 29 » The First Hague Convention is signed.
November 29 » FC Barcelona is founded by Catalan, Spanish and Englishmen. It later develops into one of Spanish football's most iconic and strongest teams.
Day of death May 12, 1946
The temperature on May 12, 1946 was between 5.2 °C and 22.0 °C and averaged 14.0 °C. There was 5.7 hours of sunshine (37%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
January 22 » In Iran, Qazi Muhammad declares the independent people's Republic of Mahabad at Chahar Cheragh Square in the Kurdish city of Mahabad; he becomes the new president and Haji Baba Sheikh becomes the prime minister.
January 31 » The Democratic Republic of Vietnam introduces the đồng to replace the French Indochinese piastre at par.
April 1 » The 8.6 Mw Aleutian Islands earthquake shakes the Aleutian Islands with a maximum Mercalli intensity of VI (Strong). A destructive tsunami reaches the Hawaiian Islands resulting in dozens of deaths, mostly in Hilo, Hawaii.
June 2 » Birth of the Italian Republic: In a referendum, Italians vote to turn Italy from a monarchy into a Republic. After the referendum, King Umberto II of Italy is exiled.
September 8 » The referendum abolishes the monarchy in Bulgaria.
October 1 » The Daegu October Incident occurs in Allied-occupied Korea.
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/I156816.php : accessed October 23, 2026), "Meindert de Groot (1867-1946)".
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