Noord-Hollands Archief te Haarlem, BS Geboorte burgerlijke stand van de gemeente Haarlem, Archiefdeel van (dubbele) registers van de, Haarlem, archief 358.46, inventarisnummer 11887, 12-05-1887, Geboorteakten van de gemeente Haarlem, 1887, aktenummer 616
Noord-Hollands Archief, BS Huwelijk Heemstede, 27 december 1912, aktenummer 66
The temperature on May 11, 1887 was about 10.2 °C. The air pressure was 1 kgf/m2 and came mainly from the west-southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 84%. 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.
January 20 » The United States Senate allows the Navy to lease Pearl Harbor as a naval base.
April 4 » Argonia, Kansas elects Susanna M. Salter as the first female mayor in the United States.
June 8 » Herman Hollerith applies for US patent #395,781 for the 'Art of Compiling Statistics', which was his punched card calculator.
June 18 » The Reinsurance Treaty between Germany and Russia is signed.
July 4 » The founder of Pakistan, Quaid-i-Azam Muhammad Ali Jinnah, joins Sindh-Madrasa-tul-Islam, Karachi.
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.
Day of marriage December 27, 1912
The temperature on December 27, 1912 was between 4.4 °C and 9.5 °C and averaged 6.9 °C. There was 2.6 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I991.php : accessed January 27, 2026), "Gerarda Maria Jonker (1887-????)".
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