1842 – Ether anesthesia was used for the 1st time on the 30th March 1842, in an operation by the American surgeon Dr. Crawford Long.
1853 – Vincent van Gogh the Dutch painter was born on the 30th March 1853 (died 1890).
1856 – The Treaty of Paris was signed on the 30th March 1856, ending the Crimean War.
1957 ~ Paul Reiser the American comedian, actor, writer, author, musician, best known for his role in the sitcom Mad About You was born on the 30th March 1957.
1867 – Alaska was purchased from Russia for $7.2 million on the 30th March 1867, about 2 cent/acre ($4.19/km²), by United States Secretary of State William H. Seward.
1913 – Frankie Laine the American singer-songwriter, and actor was born on the 30th March 1913 (died 2007).
1930 – Rolf Harris the Australian singer-songwriter was born on the 30th March 1930.
1937 – Warren Beatty the American actor, director, producer, and screenwriter was born on the 30th March 1937.
1941 – Graeme Edge the English singer-songwriter and drummer from the Moody Blues was born on the 30th March 1941.
1945 – Eric Clapton the English singer-songwriter, guitarist, and producer was born on the 30th March 1945.
1962 – MC Hammer the American rapper and actor was born on the 30th March 1962.
1964 – Tracy Chapman the American singer-songwriter and guitarist was born on the 30th March 1964.
1964 – Ian Ziering the American actor was born on the 30th March 1964.
1968 – Celine Dion the Canadian singer-songwriter was born on the 30th March 1968.
1982 – STS-3 Mission was completed on the 30th March 1982, with the landing of Columbia at White Sands Missile Range, New Mexico.