About April 18
April 18, 2025 is the 108th day of the year 2025 in the Gregorian calendar. There are 257 days remaining until the end of this year. The day of the week is Friday.
You can browse the full year calendar in case you need it.
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Aries is the sun sign of a person born on this day. Diamond is the modern birthstone for this month. Opal is the mystical birthstone from Tibetan origin that dates back over a thousand years.
According to the lunisolar Chinese calendar, there are 305 days remaining before the start of the next Chinese New Year.
What Happened On April 18
- 1025 –Bolesław Chrobry is crowned in Gniezno, becoming the first King of Poland.
- 1506 –The cornerstone of the current St. Peter’s Basilica is laid.
- 1518 –Bona Sforza is crowned as queen consort of Poland.
- 1689 –Bostonians rise up in rebellion against Sir Edmund Andros.
- 1775 –American Revolution: The British advancement by sea begins; Paul Revere and other riders warn the countryside of the troop movements.
- 1797 –The Battle of Neuwied – French victory against the Austrians.
- 1831 –The University of Alabama is founded.
- 1857 –“The Spirits Book” by Allan Kardec is published, marking the birth of Spiritualism in France.
- 1897 –The Greco-Turkish War is declared between Greece and the Ottoman Empire.
- 1899 –The St. Andrew’s Ambulance Association is granted a Royal Charter by Queen Victoria.
- 1906 –An earthquake and fire destroy much of San Francisco, California.
- 1909 –Joan of Arc is beatified in Rome.
- 1923 –Yankee Stadium, “The House that Ruth Built”, opens.
- 1942 –World War II: The Doolittle Raid on Japan. Tokyo, Yokohama, Kobe and Nagoya are bombed.
- 1943 –World War II: Operation Vengeance, Admiral Isoroku Yamamoto is killed when his aircraft is shot down by U.S. fighters over Bougainville Island.
- 1949 –The aircraft carrier USS United States is laid down at Newport News Drydock and Shipbuilding. However, construction is canceled five days later, resulting in the Revolt of the Admirals.
- 1958 –A United States federal court rules that poet Ezra Pound be released from an insane asylum.
- 1961 –CONCP is founded in Casablanca as a united front of African movements opposing Portuguese colonial rule.
- 1981 –The longest professional baseball game is begun in Pawtucket, Rhode Island. The game is suspended at 4:00 the next morning and finally completed on June 23.
- 1988 –The United States launches Operation Praying Mantis against Iranian naval forces in the largest naval battle since World War II.
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