The temperature on October 10, 1868 was about 16.6 °C. The air pressure was 2 kgf/m2 and came mainly from the south east. The airpressure was 76 cm mercury. The atmospheric humidity was 62%. 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).
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
February 24 » Andrew Johnson becomes the first President of the United States to be impeached by the United States House of Representatives. He is later acquitted in the Senate.
March 8 » Sakai incident: Japanese samurai kill 11 French sailors in the port of Sakai, Osaka.
May 26 » The Impeachment of Andrew Johnson ends with his acquittal by one vote.
September 19 » La Gloriosa begins in Spain.
December 10 » The first traffic lights are installed, outside the Palace of Westminster in London. Resembling railway signals, they use semaphore arms and are illuminated at night by red and green gas lamps.
December 11 » Paraguayan War: Brazilian troops defeat Paraguayan at the Battle of Avay.
Day of marriage January 11, 1912
The temperature on January 11, 1912 was between 0.6 °C and 4.4 °C and averaged 2.7 °C. There was -0.1 hours of sunshine (0%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 6 » New Mexico is admitted to the Union as the 47th U.S. state.
April 17 » Russian troops open fire on striking goldfield workers in northeast Siberia, killing at least 150.
April 18 » The Cunard liner RMSCarpathia brings 705 survivors from the RMSTitanic to New York City.
May 18 » The first Indian film, Shree Pundalik by Dadasaheb Torne, is released in Mumbai.
November 28 » Albania declares its independence from the Ottoman Empire.
December 16 » First Balkan War: The Royal Hellenic Navy defeats the Ottoman Navy at the Battle of Elli.
Day of death November 9, 1922
The average temperature on November 9, 1922 was 6.0 °C. There was 0.1 mm of rain. There was 3.6 hours of sunshine (39%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 7 » Dáil Éireann ratifies the Anglo-Irish Treaty by a 64–57 vote.
April 24 » The first segment of the Imperial Wireless Chain providing wireless telegraphy between Leafield in Oxfordshire, England, and Cairo, Egypt, comes into operation.
July 24 » The draft of the British Mandate of Palestine was formally confirmed by the Council of the League of Nations; it came into effect on 26 September 1923.
September 9 » The Greco-Turkish War effectively ends with Turkish victory over the Greeks in Smyrna.
September 11 » The Treaty of Kars is ratified in Yerevan, Armenia.
October 19 » British Conservative MPs vote to terminate the coalition government with the Liberal Party.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I4133.php : accessed January 31, 2026), "Theunis Olgers (1868-1922)".
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