On April 18:
1025 Bolesław Chrobry was crowned in Gniezno, becoming the first King of Poland.
1480 Lucrezia Borgia, Florentine ruler and daughter of Pope Alexander VI, was born.
1506 The cornerstone of the current St. Peter’s Basilica was laid.
1518 Bona Sforza was crowned as queen consort of Poland.
1738 Real Academia de la Historia (“Royal Academy of History”) founded in Madrid.
1783 Fighting ceased in the American Revolution, eight years to the day since it began.
1797 The Battle of Neuwied – French victory against the Austrians.
1831 The University of Alabama was founded.
1847 A Maori raid on the Gilfillan farm at Matarawa, near Wanganui, left four family members dead.
1848 American victory at the battle of Cerro Gordo opened the way for invasion of Mexico.
1880 An F4 tornado struck Marshfield, Missouri, killing 99 people and injuring 100.
1881 Billy the Kid escaped from the Lincoln County jail.
1889 Jessie Street, Australian suffragette, feminist, and human rights activist, was born.
1899 The St. Andrew’s Ambulance Association was granted a Royal Charter by Queen Victoria.
1902 Quetzaltenango, second largest city of Guatemala, was destroyed by Earthquake.
1906 The 1906 San Francisco earthquake and fire destroyed much of San Francisco.
1906 – The Los Angeles Times story on the Azusa Street Revival launched Pentecostalism as a worldwide movement.
1909 Joan of Arc was beatified in Rome.
1912 The Cunard liner RMS Carpathia brought 705 survivors from the RMS Titanic to New York City.
1915 Joy Gresham Lewis, American writer, wife of C. S. Lewis, was born.
1915 French pilot Roland Garros was shot down and glided to a landing on the German side of the lines.
1930 BBC Radio infamously announced that there was no news on that day.
1930 Clive Revill, New Zealand born actor, was born.
1942 World War II: The Doolittle Raid – Tokyo, Yokohama, Kobe and Nagoya bombed.
1942 – Pierre Laval became Prime Minister of Vichy France.
1945 More than 1,000 bombers attackedthe small island of Heligoland, Germany.
1946 Hayley Mills, English actress, was born.
1946 The League of Nations was dissolved.
1949 The Republic of Ireland Act came into force.
1954 Gamal Abdal Nasser seizes power in Egypt.
1955 Twenty-nine nations met at Bandung, Indonesia, for the first Asian-African Conference.
1958 A United States federal court ruled that poet Ezra Pound was to be released from an insane asylum.
1961 CONCP was founded in Casablanca as a united front of African movements opposing Portuguese colonial rule.
1971 David Tennant, Scottish actor, was born
1974 The prime Minister of Pakistan Zulfikar Ali Bhutto inaugurated Lahore Dry port.
1983 – A suicide bomber destroyed the United States embassy in Beirut, Lebanon, killing 63 people.
1988 The United States launched Operation Praying Mantis against Iranian naval forces in the largest naval battle since World War II.
1993President of Pakistan, Ghulam Ishaq Khan dissolved the National Assembly and dismissed the Cabinet.
1996 In Lebanon, at least 106 civilians are killed when the Israel Defense Forces shelled the UN compound at Quana where more than 800 civilians had taken refuge.
2007 The Supreme Court of the United States upheld the Partial-Birth Abortion Ban Act in a 5-4 decision.
Sourced from NZ History Online & Wikipedia