September 18

On September 18, 1944, the Japanese transport Jun'yō Maru was torpedoed off the west coast of Sumatra while carrying thousands of Allied prisoners of war and Javanese forced labourers. The overcrowded, unmarked "hell ship" foundered quickly; historians estimate roughly 5,000–5,620 people died, making it one of the deadliest single-ship losses of life in World War II.

On September 18, 1943, the Italian passenger–cargo ship MS Sinfra, pressed into Axis service to move prisoners after Italy’s armistice, was attacked by Allied aircraft in the Saronic Gulf near Piraeus. Many of the ship’s human cargo — principally interned Italian servicemen held below decks — could not escape when fire and explosions swept the vessel. Contemporary reports and later research place the death toll from the sinking anywhere from several hundred to the low thousands; exact figures remain contested. The loss became part of the wider, painful history of Italian military internees after the September 1943 armistice.

On the night of September 18, 1926, a powerful hurricane crossed the Miami and Miami Beach area, bringing a storm surge and hurricane‑force winds that flattened newly built neighborhoods, killed hundreds, and shattered the Florida land boom. The storm’s immediate chaos — broken seawalls, fires, and isolation from downed lines — gave way to a longer reckoning: massive insurance losses, halted development, and slow changes in building practice and storm awareness.

In mid–September 1906 a powerful tropical cyclone struck the Pearl River Delta. On September 18–19 the storm battered Hong Kong Island, Kowloon and the surrounding waters, tearing apart wooden waterfront settlements and wrecking fleets of fishing junks and sampans. Contemporary reports described heavy loss of life and widespread damage, but precise casualty and economic figures remain uncertain because many losses occurred among small, dispersed fishing communities and unregistered craft.