On May 3:
- 1808 - Finnish War: The Swedish fortress of Sveaborg was lost to Russia.
- 1937 - Gone With the Wind, a novel by Margaret Mitchell, won the Pulitzer Prize.
- 1945 - World War II: Sinking of the Cap Arcona by the RAF in the Lübeck Bay.
- 1947 - A new post- World War II Japanese constitution went into effect.
- 1991 - The last episode of the soap opera Dallas aired.
On May 3:
- 1808 - Finnish War: The Swedish fortress of Sveaborg was lost to Russia.
- 1937 - Gone With the Wind, a novel by Margaret Mitchell, won the Pulitzer Prize.
- 1945 - World War II: Sinking of the Cap Arcona by the RAF in the Lübeck Bay.
- 1947 - A new post- World War II Japanese constitution went into effect.
- 1991 - The last episode of the soap opera Dallas aired.