The temperature on November 11, 1868 was about 5.3 °C. The air pressure was 4 kgf/m2 and came mainly from the northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 90%. 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).
January 3 » Meiji Restoration in Japan: The Tokugawa shogunate is abolished; agents of Satsuma and Chōshū seize power.
January 27 » Boshin War: The Battle of Toba–Fushimi begins, between forces of the Tokugawa shogunate and pro-Imperial factions; it will end in defeat for the shogunate, and is a pivotal point in the Meiji Restoration.
March 5 » Mefistofele, an opera by Arrigo Boito, receives its premiere performance at La Scala.
September 19 » La Gloriosa begins in Spain.
September 28 » The Battle of Alcolea causes Queen Isabella II of Spain to flee to France.
December 9 » 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.
Day of marriage July 20, 1907
The temperature on July 20, 1907 was between 7.8 °C and 17.5 °C and averaged 13.1 °C. There was 7.3 hours of sunshine (45%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
June 22 » The London Underground's Charing Cross, Euston and Hampstead Railway opens.
September 7 » Cunard Line's RMSLusitania sets sail on her maiden voyage from Liverpool, England, to New York City.
September 26 » Four months after the 1907 Imperial Conference, New Zealand and Newfoundland are promoted from colonies to dominions within the British Empire.
December 8 » King Gustaf V of Sweden accedes to the Swedish throne.
December 10 » The worst night of the Brown Dog riots in London, when 1,000 medical students clash with 400 police officers over the existence of a memorial for animals that have been vivisected.
December 14 » The Thomas W. Lawson, the largest ever ship without a heat engine, runs aground and founders near the Hellweather's Reef within the Isles of Scilly in a gale. The pilot and 15 seamen die.
Day of death April 12, 1937
The temperature on April 12, 1937 was between 1.4 °C and 16.6 °C and averaged 9.3 °C. There was 10.4 hours of sunshine (76%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
February 21 » The League of Nations bans foreign national "volunteers" in the Spanish Civil War.
May 6 » Hindenburg disaster: The German zeppelin Hindenburg catches fire and is destroyed within a minute while attempting to dock at Lakehurst, New Jersey. Thirty-six people are killed.
June 3 » The Duke of Windsor marries Wallis Simpson.
July 24 » Alabama drops rape charges against the "Scottsboro Boys".
December 21 » Snow White and the Seven Dwarfs, the world's first full-length animated feature, premieres at the Carthay Circle Theatre.
December 29 » The Irish Free State is replaced by a new state called Ireland with the adoption of a new constitution.
When copying data from this family tree, please include a reference to the origin: H. van Dalen, "Family tree Van Dalen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-dalen/I2913.php : accessed February 1, 2026), "Jan Poortman (1868-1937)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.