January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
March 7 » The German liner SSKaiser Wilhelm der Grosse becomes the first ship to send wireless signals to shore.
March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
April 15 » Philippine–American War: Filipino guerrillas launch a surprise attack on U.S. infantry and begin a four-day siege of Catubig, Philippines.
October 9 » The Cook Islands become a territory of the United Kingdom.
October 19 » Max Planck discovers Planck's law of black-body radiation.
Day of death June 29, 1978
The temperature on June 29, 1978 was between 13.5 °C and 16.5 °C and averaged 14.7 °C. There was 8.3 mm of rain during 7.4 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
March 28 » The US Supreme Court hands down 5–3 decision in Stump v. Sparkman, a controversial case involving involuntary sterilization and judicial immunity.
July 10 » President Moktar Ould Daddah of Mauritania is ousted in a bloodless coup d'état.
September 15 » Muhammad Ali outpointed Leon Spinks in a rematch to become the first boxer to win the world heavyweight title three times at the Superdome in New Orleans.
November 27 » In San Francisco, city mayor George Moscone and openly gay city supervisor Harvey Milk are assassinated by former supervisor Dan White.
December 22 » The pivotal Third Plenum of the 11th National Congress of the Communist Party of China is held in Beijing, with Deng Xiaoping reversing Mao-era policies to pursue a program for Chinese economic reform.
December 27 » Spain becomes a democracy after 40 years of fascist dictatorship.
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/I48990.php : accessed January 27, 2026), "Wilhelmus Adrianus Maria van Hal (1900-1978)".
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