The temperature on May 18, 1888 was about 25.4 °C. The air pressure was 6 kgf/m2 and came mainly from the south-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 42%. 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.
In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
August 5 » Bertha Benz drives from Mannheim to Pforzheim and back in the first long distance automobile trip, commemorated as the Bertha Benz Memorial Route since 2008.
August 31 » Mary Ann Nichols is murdered. She is the first of Jack the Ripper's confirmed victims.
September 22 » The first issue of National Geographic Magazine is published.
October 21 » Foundation of the Swiss Social Democratic Party.
October 29 » The Convention of Constantinople is signed, guaranteeing free maritime passage through the Suez Canal during war and peace.
October 30 » The Rudd Concession is granted by Matabeleland to agents of Cecil Rhodes.
Day of marriage October 29, 1909
The temperature on October 29, 1909 was between 5.1 °C and 11.3 °C and averaged 8.8 °C. There was 1.0 mm of rain. There was 0.8 hours of sunshine (8%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south. Source: KNMI
February 12 » New Zealand's worst maritime disaster of the 20th century happens when the SSPenguin, an inter-island ferry, sinks and explodes at the entrance to Wellington Harbour.
February 26 » Kinemacolor, the first successful color motion picture process, is first shown to the general public at the Palace Theatre in London.
April 11 » The city of Tel Aviv is founded.
April 13 » The military of the Ottoman Empire reverses the Ottoman countercoup of 1909 to force the overthrow of Sultan Abdul Hamid II.
April 18 » Joan of Arc is beatified in Rome.
December 14 » New South Wales Premier Charles Wade signs the Seat of Government Surrender Act 1909, formally completing the transfer of State land to the Commonwealth to create the Australian Capital Territory.
Day of death April 6, 1918
The temperature on April 6, 1918 was between 4.4 °C and 13.6 °C and averaged 8.8 °C. There was 2.6 mm of rain. There was 5.2 hours of sunshine (39%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
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.
January 8 » U.S. President Woodrow Wilson announces his "Fourteen Points" for the aftermath of World War I.
March 23 » First World War: On the third day of the German Spring Offensive, the 10th Battalion of the Royal West Kent Regiment is annihilated with many of the men becoming prisoners of war
April 24 » World War I: First tank-to-tank combat, during the second Battle of Villers-Bretonneux. Three British Mark IVs meet three German A7Vs.
August 11 » World War I: The Battle of Amiens ends.
October 12 » A massive forest fire kills 453 people in Minnesota.
November 11 » Józef Piłsudski assumes supreme military power in Poland - symbolic first day of Polish independence.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I439749.php : accessed March 17, 2026), "Manna Hekman (1888-1918)".
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