The Baltic Sea proper is demarcated by a line from the Hanko Peninsula to the Northwesternmost point of mainland Estonia.

In 1224 crusaders retook all provinces in mainland Estonia.

The code name for the withdrawal of the Army Detachment "Narwa" from mainland Estonia was Operation "Aster".

After much argument, Adolf Hitler agreed to allow the total evacuation of the troops in mainland Estonia.

When the Army Group North started to withdraw from mainland Estonia, most of the members of the Omakaitse returned to their homes.

In February, after the collapse of the peace talks between Soviet Russia and the German Empire, mainland Estonia was occupied by the Germans.

The Leningrad Front seized the capital and took the rest of mainland Estonia by 26 September 1944.

It is the westernmost settlement in mainland Estonia.

In 1625, mainland Estonia came entirely under Swedish rule.

In the winter of 1223/1224, the Germans gradually managed to reconquer most strongholds in mainland Estonia.