August 9, 1931
1931 boundary conflict between the U.S. states of Oklahoma and Texas
1931 dispute in Iowa over testing cows for bovine tuberculosis.
The Persistence of Memory — painting by Salvador Dalí completed in 1931. Also known as Soft Watches or Melting Clocks, it is one of Dalí’s most famous pieces.
1931 China floods — series of devastating floods
Statute of Westminster 1931 — United Kingdom legislation
Battle during the Italian colonization of Libya
4th Chess Olympiad — FIDE chess tournament for national teams
Battle of Shuangqiaozhen
Most powerful earthquake in Texas history
1931 American gang killing