# 31 March 1889 – The Eiffel Tower is officially opened.
# 30 March 1867 – Alaska is purchased from Russia for $7.2 million, about 2-cent/acre ($4.19/km²), by United States Secretary of State William H. Seward.
# 30 March 1867 – Alaska is purchased from Russia for $7.2 million, about 2-cent/acre ($4.19/km²), by United States Secretary of State William H. Seward.
# 29 March 1927 – Sunbeam 1000hp breaks the land speed record at Daytona Beach, Florida.
# 28 March 1939 – Spanish Civil War: Generalissimo Francisco Franco conquers Madrid after a three-year siege.
# 27 March 1977 – Tenerife airport disaster: Two Boeing 747 airliners collide on a foggy runway on Tenerife in the Canary Islands, killing 583 (all 248 on KLM and 335 on Pan Am). Sixty-one survived on the Pan Am flight. This is the deadliest aviation accident in history.
# 26 March 1934 – The United Kingdom driving test is introduced.
# 25 March 1969 – During their honeymoon, John Lennon and Yoko Ono hold their first Bed-In for Peace at the Amsterdam Hilton Hotel (until March 31).
# 24 March 1944 – Ardeatine massacre: German troops murder 335 Italian civilians in Rome.
# 24 March 1944 – Ardeatine massacre: German troops murder 335 Italian civilians in Rome.
# 23 March 2001 – The Russian Mir space station is disposed of, breaking up in the atmosphere before falling into the southern Pacific Ocean near Fiji.
# 22 March 1945 – The Arab League is founded when a charter is adopted in Cairo, Egypt.
# 21 March 2006 – The social media site Twitter is founded.
# 20 March 2003 – Invasion of Iraq: In the early hours of the morning, the United States and three other countries (the UK, Australia and Poland) begin military operations in Iraq.
# 19 March 2004 – March 19 Shooting Incident: the Republic of China(Taiwan) president Chen Shui-bian was shot just before the country's presidential election on March 20.
# 18 March 1241 – First Mongol invasion of Poland: Mongols overwhelm Polish armies in Kraków in the Battle of Chmielnik and plunder the city.
# 17 March Saint Patrick's Day, or the Feast of Saint Patrick (Irish: Lá Fhéile Pádraig, "the Day of the Festival of Patrick"), is a cultural and religious celebration held on 17 March, the traditional death date of Saint Patrick (c. AD 385–461), the foremost patron saint of Ireland.
# 17 March 1970년 - 대한민국 제3공화국의 권력층 스캔들로 번진 정인숙 살해 사건이 발생하였다.
# 16 March 1978 – Former Italian Prime Minister Aldo Moro is kidnapped. (He is later murdered by his captors.)
# 15 March 1990 – Mikhail Gorbachev is elected as the first President of the Soviet Union.
# 14 March : Pi Day is an annual celebration of the mathematical constant π (pi). Pi Day is observed on March 14 (3/14 in the month/day format) since 3, 1, and 4 are the first three significant digits of π. In 2009, the United States House of Representatives supported the designation of Pi Day.
# 13 March 2013 – Pope Francis is elected, in the papal conclave, as the 266th Pope of the Catholic Church.
# 12 March 2003 – WHO officially release global warning on pandemic SARS disease.
# 11 March 2011 – An earthquake measuring 9.0 in magnitude strikes 130 km (81 mi) east of Sendai, Japan, triggering a tsunami killing thousands of people. This event also triggered the second largest nuclear accident in history, and one of only two events to be classified as a Level 7 on the International Nuclear Event Scale.
# 10 March 2017 – The impeachment of President Park Geun-hye of South Korea in response to a major political scandal is unanimously upheld by the country's Constitutional Court, ending her presidency.
# 09 Mars 1831 : la Légion étrangère est créée par l'ordonnance du roi des Français Louis-Philippe.
# 08 March 1618 – Johannes Kepler discovers the third law of planetary motion.
# 07 March 1989 – Iran and the United Kingdom break diplomatic relations after a fight over Salman Rushdie and his controversial novel, The Satanic Verses.
# 06 March 1992 – The Michelangelo computer virus begins to affect computers.
# 06 March 1899 – Bayer registers "Aspirin" as a trademark.
# 05 March 1946 – Cold War: Winston Churchill coins the phrase "Iron Curtain" in his speech at Westminster College, Missouri.
# 04 March 1966 – In an interview in the London Evening Standard, The Beatles' John Lennon declares that the band is "more popular than Jesus now".
# 03 March 1991 – An amateur video captures the beating of Rodney King by Los Angeles police officers.
# 02 March 1919 – The first Communist International meets in Moscow.
# 01 March 1919 - The March 1st Movement, also known as Sam-il (3-1) Movement (Hangul: 삼일 운동; Hanja: 三一 運動) was one of the earliest public displays of Korean resistance during the rule of Korea by Japan from 1910 into 1945. The name refers to an event that occurred on March 1, 1919, hence the movement's name, literally meaning "Three-One Movement" or "March First Movement" in Korean. It is also sometimes referred to as the Man-se Demonstrations (Hangul: 만세운동; Hanja: 萬歲運動; RR: Manse Undong).