About May 31
May 31, 2025 is the 151st day of the year 2025 in the Gregorian calendar. There are 214 days remaining until the end of this year. The day of the week is Saturday.
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Gemini is the sun sign of a person born on this day. Emerald is the modern birthstone for this month. Sapphire is the mystical birthstone from Tibetan origin that dates back over a thousand years.
According to the lunisolar Chinese calendar, there are 262 days remaining before the start of the next Chinese New Year.
What Happened On May 31
- 1279 BC –Rameses II (The Great) (19th dynasty) becomes pharaoh of Ancient Egypt.
- 526 –A devastating earthquake strikes Antioch, Turkey, killing 250,000.
- 1223 –Mongol invasion of the Cumans: Battle of the Kalka River – Mongol armies of Genghis Khan led by Subutai defeat Kievan Rus and Cumans.
- 1578 –Martin Frobisher sails from Harwich, England to Frobisher Bay, Canada, eventually to mine fool’s gold, used to pave streets in London.
- 1790 –The United States enacts its first copyright statute, the Copyright Act of 1790.
- 1805 –French and Spanish forces begin the assault against British forces occupying Diamond Rock
- 1813 –In Australia, Lawson, Blaxland and Wentworth, reached Mount Blaxland, effectively marking the end of a route across the Blue Mountains.
- 1854 –The civil death procedure is abolished in France.
- 1862 –American Civil War Peninsula Campaign: Battle of Seven Pines or (Battle of Fair Oaks) – Confederate forces under Joseph E. Johnston & G. W. Smith engage Union forces under George B. McClellan outside Richmond, Virginia.
- 1889 –Johnstown Flood: Over 2,200 people die after a dam break sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
- 1910 –Creation of the Union of South Africa.
- 1921 –Tulsa Race Riot: A civil unrest in Tulsa, Oklahoma, United States, the official death toll is 39, but recent investigations suggest the actual toll may be much higher.
- 1924 –The Soviet Union signs an agreement with the Peking government, referring to Outer Mongolia as an “integral part of the Republic of China”, whose “sovereignty” therein the Soviet Union promises to respect.
- 1935 –A 7.7 Mw earthquake destroys Quetta in modern-day Pakistan: 40,000 dead.
- 1961 –The Union of South Africa becomes the Republic of South Africa.
- 1962 –Adolf Eichmann is hanged in Israel.
- 1971 –In accordance with the Uniform Monday Holiday Act passed by the U.S. Congress in 1968, observation of Memorial Day occurs on the last Monday in May for the first time, rather than on the traditional Memorial Day of May 30.
- 1973 –The United States Senate votes to cut off funding for the bombing of Khmer Rouge targets within Cambodia, hastening the end of the Cambodian Civil War.
- 1991 –Bicesse Accords in Angola lay out a transition to multi-party democracy under the supervision of the United Nations’ UNAVEM II mission.
- 2009 –Anti-abortion activist Scott Roeder shoots and kills physician George Tiller during church services in Wichita, Kansas.
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