Inventions, firsts, and turning points tied to today’s date — each one sourced and dated.
On May 31, 1911, the bare steel hull of the Titanic slid into Belfast Lough before a crowd of thousands—nearly a year before its only voyage.
On May 31, 1889, a neglected dam upstream failed and sent a wall of water through a Pennsylvania steel town, killing 2,209 people.
