March 14th, 1951 – Korean War: U.N. troops recapture Seoul for the second time.
March 16th, 1945 – World War II: The Battle of Iwo Jima ends with small pockets of resistence remaining.
March 16th, 1968 – Vietnam War: My Lai Massacre occurs.
March 17th, 1973 – The Pulitzer Prize-winning photograph Burst of Joy is taken, depicting USAF Lieutenant Colonel Robert L. Stirm being reunited with his family after spending more than five years as a POW in Vietnam.
March 20th, 1995 – The Japanese cult Aum Shinrikyo executes a sarin gas attack on the Tokyo subway.