The temperature on February 27, 1878 was about 10.7 °C. The air pressure was 12 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 69%. Source: KNMI
In The Netherlands , there was from November 3, 1877 to August 20, 1879 the cabinet Kappeijne van de Coppello, with Mr. J. Kappeijne van de Coppello (liberaal) as prime minister.
January 4 » Russo-Turkish War (1877–78): Sofia is liberated from Ottoman rule and designated the capital of Liberated Bulgaria.
January 9 » Umberto I becomes King of Italy.
March 3 » The Russo-Turkish War ends with Bulgaria regaining its independence from the Ottoman Empire according to the Treaty of San Stefano.
March 15 » Restoration of the Scottish Catholic hierarchy, broken off back in 1603.
July 1 » Canada joins the Universal Postal Union.
July 13 » Treaty of Berlin: The European powers redraw the map of the Balkans. Serbia, Montenegro and Romania become completely independent of the Ottoman Empire.
Day of marriage April 23, 1901
The temperature on April 23, 1901 was between 7.6 °C and 20.5 °C and averaged 14.7 °C. There was 11.9 hours of sunshine (83%). Source: KNMI
January 1 » The British colonies of New South Wales, Queensland, Victoria, South Australia, Tasmania, and Western Australia federate as the Commonwealth of Australia; Edmund Barton is appointed the first Prime Minister.
February 20 » The legislature of Hawaii Territory convenes for the first time.
March 2 » United States Steel Corporation is founded as a result of a merger between Carnegie Steel Company and Federal Steel Company which became the first corporation in the world with a market capital over $1 billion.
March 23 » Emilio Aguinaldo, only President of the First Philippine Republic, was captured at Palanan, Isabela by the forces of General Frederick Funston.
September 7 » The Boxer Rebellion in Qing dynasty (modern-day China) officially ends with the signing of the Boxer Protocol.
September 17 » Second Boer War: Boers capture a squadron of the 17th Lancers at the Battle of Elands River.
Day of death September 25, 1934
The temperature on September 25, 1934 was between 5.6 °C and 17.3 °C and averaged 12.3 °C. There was 9.2 hours of sunshine (76%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 26 » German–Polish Non-Aggression Pact is signed.
March 26 » The United Kingdom driving test is introduced.
May 28 » Near Callander, Ontario, Canada, the Dionne quintuplets are born to Oliva and Elzire Dionne; they will be the first quintuplets to survive infancy.
July 2 » The Night of the Long Knives ends with the death of Ernst Röhm.
September 8 » Off the New Jersey coast, a fire aboard the passenger liner SSMorro Castle kills 137 people.
December 29 » Japan renounces the Washington Naval Treaty of 1922 and the London Naval Treaty of 1930.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P15503.php : accessed January 4, 2026), "Percy Avery Rockefeller (1878-1934)".
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