January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
May 17 » The children's novel The Wonderful Wizard of Oz, by L. Frank Baum, is first published in the United States. The first copy is given to the author's sister.
July 2 » Jean Sibelius' Finlandia receives its première performance in Helsinki with the Helsinki Philharmonic Society conducted by Robert Kajanus.
July 9 » The Federation of Australia is given royal assent.
October 9 » The Cook Islands become a territory of the United Kingdom.
Day of death June 21, 1975
The temperature on June 21, 1975 was between 13.0 °C and 24.1 °C and averaged 19.1 °C. There was 0.6 mm of rain during 0.5 hours. There was 5.9 hours of sunshine (35%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
January 15 » The Alvor Agreement is signed, ending the Angolan War of Independence and giving Angola independence from Portugal.
May 10 » Sony introduces the Betamax videocassette recorder.
June 12 » India, Judge Jagmohanlal Sinha of the city of Allahabad ruled that India's Prime Minister Indira Gandhi had used corrupt practices to win her seat in the Indian Parliament, and that she should be banned from holding any public office. Mrs. Gandhi sent word that she refused to resign.
June 26 » Two FBI agents and a member of the American Indian Movement are killed in a shootout on the Pine Ridge Indian Reservation in South Dakota; Leonard Peltier is later convicted of the murders in a controversial trial.
November 22 » Juan Carlos is declared King of Spain following the death of Francisco Franco.
December 2 » Laotian Civil War: The Pathet Lao seizes the Laotian capital of Vientiane, forces the abdication of King Sisavang Vatthana, and proclaims the Lao People's Democratic Republic.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I158368.php : accessed March 5, 2026), "Cornelis Adrianus Petrus Aarts (1900-1975)".
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