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
- 1578 –King Henry III lays the first stone of the Pont Neuf (New Bridge), the oldest bridge of Paris.
- 1790 –The United States enacts its first copyright statute, the Copyright Act of 1790.
- 1813 –In Australia, Lawson, Blaxland and Wentworth, reached Mount Blaxland, effectively marking the end of a route across the Blue Mountains.
- 1859 –The clock tower at the Houses of Parliament, which houses Big Ben, starts keeping time.
- 1864 –American Civil War Overland Campaign: Battle of Cold Harbor – The Army of Northern Virginia under Robert E. Lee engages the Army of the Potomac under Ulysses S. Grant & George G. Meade.
- 1884 –Arrival at Plymouth of Tawhiao, King of Maoris, to claim protection of Queen Victoria
- 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.
- 1911 –President of Mexico Porfirio Díaz flees the country during the Mexican Revolution.
- 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.
- 1941 –A Luftwaffe air raid in Dublin, Ireland, claims 38 lives.
- 1961 –The Union of South Africa becomes the Republic of South Africa.
- 1962 –Adolf Eichmann is hanged in Israel.
- 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.
- 1977 –The Trans-Alaska Pipeline System completed.
- 1981 –Burning of Jaffna library, Sri Lanka, It is one of the violent examples of ethnic biblioclasm of the twentieth century.
- 1985 –1985 United States-Canadian tornado outbreak: Forty-one tornadoes hit Ohio, Pennsylvania, New York, and Ontario, leaving 76 dead.
- 1991 –Bicesse Accords in Angola lay out a transition to multi-party democracy under the supervision of the United Nations’ UNAVEM II mission.
- 2005 –Vanity Fair reveals that Mark Felt was Deep Throat.
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