October 11

On October 28, 1949, Air France Lockheed Constellation Flight 009 struck a mountainside on São Miguel Island in the Azores during an instrument approach in poor weather. All 48 people aboard were killed, including French boxing champion Marcel Cerdan; the crash became one of the stark postwar reminders of how fragile long‑distance air travel still was.

On October 31, 1994, Simmons Airlines flight 4184, an ATR 72-212 operating as American Eagle from Indianapolis to Chicago O’Hare, encountered severe freezing precipitation near Roselawn, Indiana. Ice formed beyond the aircraft’s deicing protection, producing an uncommanded roll and an unrecoverable descent. All 68 people on board were killed. The crash spurred major changes in icing certification, aircraft design, and crew procedures for supercooled large-droplet conditions.

The First Battle of Ypres (19 October–22 November 1914) was the climactic struggle in the northern reaches of the Western Front’s 1914 “Race to the Sea.” In a month of grinding attacks, counterattacks and entrenchment across the low ridges and muddy fields around Ypres, British, French and Belgian defenders stopped repeated German attempts to reach the Channel ports, fixed a deadly salient in Flanders, and helped turn mobile warfare into the static trenches that would define the next four years.