January 30 » The first Anglo-Japanese Alliance is signed in London.
March 6 » Real Madrid CF is founded.
March 7 » Second Boer War: Boers, led by Koos de la Rey, inflict the biggest defeat upon the British since the beginning of the war, at Tweebosch.
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.
May 20 » Cuba gains independence from the United States. Tomás Estrada Palma becomes the country's first President.
Day of marriage October 12, 1927
The temperature on October 12, 1927 was between 8.8 °C and 13.3 °C and averaged 10.8 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
January 27 » Ibn Saud takes the title of King of Nejd.
March 24 » Nanking Incident: Foreign warships bombard Nanjing, China, in defense of the foreign citizens within the city.
May 18 » After being founded for 20 years, the Government of the Republic of China approves Tongji University to be among the first national universities of the Republic of China.
June 26 » The Cyclone roller coaster opens on Coney Island.
November 13 » The Holland Tunnel opens to traffic as the first Hudson River vehicle tunnel linking New Jersey to New York City.
December 19 » Three Indian revolutionaries, Ram Prasad Bismil, Roshan Singh and Ashfaqulla Khan, are executed by the British Raj for participation in the Kakori conspiracy.
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I150861.php : accessed February 24, 2026), "Agnes Jansen (1902-)".
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