What was the primary objective of the d-day invasion at Normandy and what effect did it have on world war 2?

The original primary objective of D-Day was to establish a beach-head and harbours in France to land and support 30 Divisions of Allied troops, armour and artillery.
- It was extremely successful and undoubtedly the turning point of WW2 in the Allies favour.

The original primary objective of D-Day was to establish a beach-head and harbours in France to land and support 30 Divisions of Allied troops, armour and artillery.