The New York Yankees stadium was opened today. April 18 is the 108th day of the year in the Gregorian calendar (109th in leap years). There are 257 days remaining.

  1. 1506 - The cornerstone of the current St. Peter's Basilica is laid.
  2. 1775 - Two lanterns were hung from the steeple of the Old North Church in Boston, Massachusetts. Paul Revere, William Dawes and Samuel Prescott ride to warn of impending arrests of Samuel Adams and John Hancock and seizure of weapons. Only Prescott finishes the ride.
  3. 1906 - An earthquake with an estimated magnitude of 7.9, destroys much of San Francisco, California.
  4. 1880 - A F4 tornado strikes Marshfield, Missouri, killing 99 people and injuring 100.
  5. 1906 - The Los Angeles Times runs a front-page story on the Azusa Street Revival, launching Pentecostalism as a worldwide movement.
  6. 1923 - Yankee Stadium, "The House that Ruth Built", opens.
  7. 1946 - The League of Nations is dissolved.
  8. 1949 - The Republic of Ireland Act comes into force.
  9. 1958 - A U.S. federal court rules that poet Ezra Pound be released from an insane asylum.
  10. 1983 - A suicide bomber destroys the United States embassy in Beirut, Lebanon, killing 63 people.
  11. 1988 - U.S. launches Operation Praying Mantis against Iranian naval forces in retaliation for the April 14 mining of the USS Samuel B. Roberts (FFG-58) in the Persian Gulf during Operation Earnest Will. The one-day action is the world's largest naval battle since World War II.
  12. 1996 - In Lebanon, at least 106 Lebanese civilians are killed when the Israel Defense Forces shell the UN compound at Qana.