March 23 » The Ahmadiyya Muslim Community is established by Mirza Ghulam Ahmad in Qadian, British India.
June 26 » Bangui is founded by Albert Dolisie and Alfred Uzac in what was then the upper reaches of the French Congo.
June 29 » Hyde Park and several other Illinois townships vote to be annexed by Chicago, forming the largest United States city in area and second largest in population at the time.
July 8 » The first issue of The Wall Street Journal is published.
October 24 » Henry Parkes delivers the Tenterfield Oration, effectively starting the federation process in Australia.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
Day of marriage May 18, 1912
The temperature on May 18, 1912 was between 4.0 °C and 16.3 °C and averaged 11.2 °C. There was 7.0 hours of sunshine (44%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
April 2 » The ill-fated RMSTitanic begins sea trials.
April 16 » Harriet Quimby becomes the first woman to fly an airplane across the English Channel.
September 28 » The Ulster Covenant is signed by some 500,000 Ulster Protestant Unionists in opposition to the Third Irish Home Rule Bill.
October 17 » Bulgaria, Greece and Serbia declare war on the Ottoman Empire, joining Montenegro in the First Balkan War.
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 October 14, 1937
The temperature on October 14, 1937 was between 8.0 °C and 14.9 °C and averaged 10.8 °C. There was 0.2 mm of rain. There was 1.3 hours of sunshine (12%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
June 14 » Pennsylvania becomes the first (and only) state of the United States to celebrate Flag Day officially as a state holiday.
August 1 » Josip Broz Tito reads the resolution "Manifesto of constitutional congress of KPH" to the constitutive congress of KPH (Croatian Communist Party) in woods near Samobor.
August 13 » Second Sino-Japanese War: The Battle of Shanghai begins.
September 10 » Nine nations attend the Nyon Conference to address international piracy in the Mediterranean Sea.
September 22 » Spanish Civil War: Peña Blanca is taken, ending the Battle of El Mazuco.
December 22 » The Lincoln Tunnel opens to traffic in New York City.
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/I130864.php : accessed February 17, 2026), "Sietze van der Heide (1889-1937)".
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