📅 On This Day in Military History

May 17

1 event across history

⚔️📍 Ruhr Valley, Germany1943

Dambusters Raid — Operation Chastise

RAF 617 Squadron's Lancaster bombers, using specially designed bouncing bombs invented by Barnes Wallis, breached two major dams in the Ruhr industrial heartland. The flooding killed 1,600 people and disrupted German industry for months.

The Dambusters Raid became one of WWII's most celebrated and studied operations, demonstrating precision bombing's potential and making 617 Squadron permanently famous.

Outcome

Two dams breached; 8 of 19 aircraft lost

Casualties

1,600