January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
January 16 » The United States Senate accepts the Anglo-German treaty of 1899 in which the United Kingdom renounces its claims to the Samoan islands.
March 24 » Mayor of New York City Robert Anderson Van Wyck breaks ground for a new underground "Rapid Transit Railroad" that would link Manhattan and Brooklyn.
April 14 » The Exposition Universelle begins.
October 19 » Max Planck discovers Planck's law of black-body radiation.
October 25 » The United Kingdom annexes the Transvaal.
Day of death May 30, 1975
The temperature on May 30, 1975 was between 3.1 °C and 11.9 °C and averaged 7.9 °C. There was -0.1 mm of rain. There was 1.9 hours of sunshine (12%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. 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 2 » At the opening of a new railway line, a bomb blast at Samastipur, Bihar, India, fatally wounds Lalit Narayan Mishra, Minister of Railways.
February 28 » In London, an underground train fails to stop at Moorgate terminus station and crashes into the end of the tunnel, killing 43 people.
March 22 » A fire at the Browns Ferry Nuclear Power Plant in Decatur, Alabama causes a dangerous reduction in cooling water levels.
April 30 » Fall of Saigon: Communist forces gain control of Saigon. The Vietnam War formally ends with the unconditional surrender of South Vietnamese president Dương Văn Minh.
May 30 » European Space Agency is established.
October 30 » Prince Juan Carlos I of Spain becomes acting head of state, taking over for the country's ailing dictator, Gen. Francisco Franco.
When copying data from this family tree, please include a reference to the origin: Roberto Moraes Rosa Petroucic, "Genealogy Petroucic", database, Genealogy Online (https://www.genealogieonline.nl/genealogy-petroucic/I144398.php : accessed September 23, 2024), "Cinira Rudge da Silva Ramos (1900-1975)".
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