Training exercises for Operation Overlord landings took place

The initial draft of the invasion plan was accepted at the Quebec Conference

The town of Slapton in Devon was evacuated and taken over by the armed forces for training exercises

Exercises with landing craft and live ammunition took place at the Combined Training Centre in Inveraray

Paratroopers conducted exercises, including a demonstration drop observed by Churchill and Eisenhower

A friendly fire incident in Slapton resulted in as many as 450 deaths

An additional estimated 749 American soldiers and sailors died during Exercise Tiger

Exercise Fabius took place