April 6 » In Athens, the opening of the first modern Olympic Games is celebrated, 1,500 years after the original games are banned by Roman emperor Theodosius I.
May 18 » Khodynka Tragedy: A mass panic on Khodynka Field in Moscow during the festivities of the coronation of Russian Tsar Nicholas II results in the deaths of 1,389 people.
June 4 » Henry Ford completes the Ford Quadricycle, his first gasoline-powered automobile, and gives it a successful test run.
June 15 » The deadliest tsunami in Japan's history kills more than 22,000 people.
July 28 » The city of Miami, Florida is incorporated.
November 17 » The Western Pennsylvania Hockey League, which later became the first ice hockey league to openly trade and hire players, began play at Pittsburgh's Schenley Park Casino.
Day of death June 30, 1975
The temperature on June 30, 1975 was between 8.7 °C and 19.1 °C and averaged 13.9 °C. There was -0.1 mm of rain. There was 12.1 hours of sunshine (72%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. 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.
April 29 » Vietnam War: The North Vietnamese army completes its capture of all parts of South Vietnamese-held Trường Sa Islands.
May 10 » Sony introduces the Betamax videocassette recorder.
June 1 » The Patriotic Union of Kurdistan was founded by Jalal Talabani, Nawshirwan Mustafa, Fuad Masum and others.
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 25 » Prime Minister Indira Gandhi declares a state of internal emergency in India.
November 3 » Syed Nazrul Islam, A. H. M. Qamaruzzaman, Tajuddin Ahmad, and Muhammad Mansur Ali, Bangladeshi politicians and Sheikh Mujibur Rahman loyalists, are murdered in the Dhaka Central Jail.
When copying data from this family tree, please include a reference to the origin: Kees J.C.P.A. Goverde, "Family tree As(s)man(n) - Ransbach(D)/H'bosch/Z'bergen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-assmann/I515.php : accessed January 7, 2026), "Jan Adriaan Vinkx (1896-1975)".
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