April 2 » "Electric Theatre", the first full-time movie theater in the United States, opens in Los Angeles.
April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
October 24 » Guatemala's Santa María Volcano begins to erupt, becoming the third-largest eruption of the 20th century.
November 29 » The Pittsburgh Stars defeated the Philadelphia Athletics, 11–0 to win the first championship associated with an American national professional football league.
December 10 » The opening of the reservoir of the Aswan Dam in Egypt.
Day of marriage June 13, 1927
The temperature on June 13, 1927 was between 10.9 °C and 20.5 °C and averaged 14.8 °C. There was 4.0 hours of sunshine (24%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
January 22 » Teddy Wakelam gives the first live radio commentary of a football match, between Arsenal F.C. and Sheffield United at Highbury.
April 23 » Cardiff City defeat Arsenal in the FA Cup Final, the only time it has been won by a team not based in England.
June 26 » The Cyclone roller coaster opens on Coney Island.
August 1 » The Nanchang Uprising marks the first significant battle in the Chinese Civil War between the Kuomintang and Chinese Communist Party. This day is commemorated as the anniversary of the founding of the People's Liberation Army.
December 17 » Indian revolutionary Rajendra Lahiri is hanged in Gonda jail, Uttar Pradesh, India, two days before the scheduled date.
December 27 » Kern and Hammerstein's musical play Show Boat, considered to be the first true American musical play, opens at the Ziegfeld Theatre on Broadway.
Day of death February 11, 1966
The temperature on February 11, 1966 was between -3.5 °C and -0.5 °C and averaged -1.7 °C. There was 4.4 mm of rain during 3.6 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I53691.php : accessed February 3, 2026), "Maria Cornelia Joanna van Helvoort (1902-1966)".
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