The air pressure was 14 kgf/m2 and came mainly from the east-northeast. The airpressure was 74 cm mercury. The atmospheric humidity was 95%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
May 4 » Haymarket affair: A bomb is thrown at policemen trying to break up a labor rally in Chicago, United States, killing eight and wounding 60. The police fire into the crowd.
May 29 » The pharmacist John Pemberton places his first advertisement for Coca-Cola, which appeared in The Atlanta Journal.
June 30 » The first transcontinental train trip across Canada departs from Montreal, Quebec. It arrives in Port Moody, British Columbia on July 4.
July 3 » The New-York Tribune becomes the first newspaper to use a linotype machine, eliminating typesetting by hand.
August 31 » The 7.0 Mw Charleston earthquake affects southeastern South Carolina with a maximum Mercalli intensity of X (Extreme). Sixty people killed with damage estimated at $5–6 million.
October 28 » President Cleveland dedicates the Statue of Liberty.
Day of marriage May 20, 1910
The temperature on May 20, 1910 was between 14.0 °C and 29.0 °C and averaged 21.1 °C. There was 11.4 hours of sunshine (72%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 1 » Captain David Beatty is promoted to Rear admiral, and becomes the youngest admiral in the Royal Navy (except for Royal family members) since Horatio Nelson.
January 13 » The first public radio broadcast takes place; a live performance of the operas Cavalleria rusticana and Pagliacci are sent out over the airwaves from the Metropolitan Opera House in New York.
April 16 » The oldest existing indoor ice hockey arena still used for the sport in the 21st century, Boston Arena, opens for the first time.
June 19 » The first Father's Day is celebrated in Spokane, Washington.
June 25 » Igor Stravinsky's ballet The Firebird is premiered in Paris, bringing him to prominence as a composer.
October 6 » Eleftherios Venizelos is elected prime minister of Greece for the first of seven times.
Day of death June 9, 1976
The temperature on June 9, 1976 was between 16.9 °C and 31.0 °C and averaged 23.6 °C. There was 12.0 hours of sunshine (72%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. 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 5 » The Troubles: Gunmen shoot dead ten Protestant civilians after stopping their minibus at Kingsmill in County Armagh, Northern Ireland, UK, allegedly as retaliation for a string of attacks on Catholic civilians in the area by Loyalists, particularly the killing of six Catholics the night before.
February 19 » Executive Order 9066, which led to the relocation of Japanese Americans to internment camps, is rescinded by President Gerald Ford's Proclamation 4417.
May 24 » The Judgment of Paris takes place in France, launching California as a worldwide force in the production of quality wine.
June 27 » Air France Flight 139 (Tel Aviv-Athens-Paris) is hijacked en route to Paris by the PLO and redirected to Entebbe, Uganda.
July 17 » The opening of the Summer Olympics in Montreal is marred by 25 African teams boycotting the games because of New Zealand's participation. Contrary to rulings by other international sports organizations, the IOC had declined to exclude New Zealand because of their participation in South African sporting events during apartheid.
July 28 » The Tangshan earthquake measuring between 7.8 and 8.2 moment magnitude flattens Tangshan in the People's Republic of China, killing 242,769 and injuring 164,851.
Day of burial June 12, 1976
The temperature on June 12, 1976 was between 10.2 °C and 24.9 °C and averaged 18.8 °C. There was 9.4 hours of sunshine (56%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. 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 12 » The United Nations Security Council votes 11–1 to allow the Palestine Liberation Organization to participate in a Security Council debate (without voting rights).
February 4 » In Guatemala and Honduras an earthquake kills more than 22,000.
April 2 » Prince Norodom Sihanouk resigns as leader of Cambodia and is placed under house arrest.
June 29 » The Seychelles become independent from the United Kingdom.
July 4 » Israeli commandos raid Entebbe airport in Uganda, rescuing all but four of the passengers and crew of an Air France jetliner seized by Palestinian terrorists.
November 24 » The Çaldıran–Muradiye earthquake in eastern Turkey kills between 4,000 and 5,000 people.
When copying data from this family tree, please include a reference to the origin: W. Rovers, "Family tree Ro(o)vers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_rovers/I1905.php : accessed March 15, 2026), "Helena Bluekens (1886-1976)".
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