May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
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.
August 13 » William Gray of Hartford, Connecticut is granted United States Patent Number 408,709 for "Coin-controlled apparatus for telephones."
September 23 » Nintendo Koppai (Later Nintendo Company, Limited) is founded by Fusajiro Yamauchi to produce and market the playing card game Hanafuda.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
November 15 » Brazil is declared a republic by Marshal Deodoro da Fonseca as Emperor Pedro II is deposed in a military coup.
Day of marriage September 30, 1911
The temperature on September 30, 1911 was between 4.1 °C and 10.8 °C and averaged 8.8 °C. There was 11.3 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
January 3 » A gun battle in the East End of London left two dead and sparked a political row over the involvement of then-Home Secretary Winston Churchill.
April 27 » Following the resignation and death of William P. Frye, a compromise is reached to rotate the office of President pro tempore of the United States Senate.
May 30 » At the Indianapolis Motor Speedway, the first Indianapolis 500 ends with Ray Harroun in his Marmon Wasp becoming the first winner of the 500-mile auto race.
September 18 » Russian Premier Pyotr Stolypin is shot at the Kiev Opera House.
December 29 » Mongolia gains independence from the Qing dynasty, enthroning 8th Jebtsundamba Khutughtu as Khagan of Mongolia.
December 29 » Sun Yat-sen becomes the provisional President of the Republic of China; he formally takes office on January 1, 1912.
Day of death September 27, 1971
The temperature on September 27, 1971 was between 8.9 °C and 16.2 °C and averaged 12.4 °C. There was 8.6 mm of rain during 4.6 hours. There was 1.0 hours of sunshine (8%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
March 25 » The Army of the Republic of Vietnam abandon an attempt to cut off the Ho Chi Minh trail in Laos.
April 23 » Bangladesh Liberation War: The Pakistan Army and Razakars massacre approximately 3,000 Hindu emigrants in the Jathibhanga area of East Pakistan (now Bangladesh).
August 18 » Vietnam War: Australia and New Zealand decide to withdraw their troops from Vietnam.
August 21 » A bomb exploded in the Liberal Party campaign rally in Plaza Miranda, Manila, Philippines with several anti-Marcos political candidates injured.
August 27 » An attempted coup d'état fails in the African nation of Chad. The Government of Chad accuses Egypt of playing a role in the attempt and breaks off diplomatic relations.
November 10 » In Cambodia, Khmer Rouge forces attack the city of Phnom Penh and its airport, killing 44, wounding at least 30 and damaging nine aircraft.
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/I91372.php : accessed October 8, 2026), "Hendrik Baron (1889-1971)".
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