May 8 » The first games of the Italian football league system are played.
June 11 » The Hundred Days' Reform, a planned movement to reform social, political, and educational institutions in China, is started by the Guangxu Emperor, but is suspended by Empress Dowager Cixi after 104 days. (The failed reform led to the abolition of the Imperial examination in 1905.)
June 13 » Yukon Territory is formed, with Dawson chosen as its capital.
June 22 » Spanish–American War: In a chaotic operation, 6,000 men of the U.S. Fifth Army Corps begins landing at Daiquirí, Cuba, about 16 miles (26km) east of Santiago de Cuba. Lt. Gen. Arsenio Linares y Pombo of the Spanish Army outnumbers them two-to-one, but does not oppose the landings.
July 8 » The death of crime boss Soapy Smith, killed in the Shootout on Juneau Wharf, releases Skagway, Alaska from his iron grip.
October 14 » The steam ship SSMohegan sinks near the Lizard peninsula, Cornwall, killing 106.
Day of marriage June 18, 1925
The temperature on June 18, 1925 was between 4.7 °C and 16.3 °C and averaged 11.5 °C. There was 0.9 mm of rain. There was 5.7 hours of sunshine (34%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from August 4, 1925 to March 8, 1926 the cabinet Colijn I, with Dr. H. Colijn (ARP) as prime minister.
February 15 » The 1925 serum run to Nome: The second delivery of serum arrives in Nome, Alaska.
March 16 » An earthquake occurs in Yunnan, China.
March 21 » The Butler Act prohibits the teaching of human evolution in Tennessee.
April 4 » The Schutzstaffel (SS) is founded under Adolf Hitler's Nazi party in Germany.
May 15 » Al-Insaniyyah, the first Arabic communist newspaper, is founded.
July 21 » Scopes Trial: In Dayton, Tennessee, high school biology teacher John T. Scopes is found guilty of teaching human evolution in class and fined $100.
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/I28957.php : accessed February 14, 2026), "Sybren de Jong (1898-????)".
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