First World War in FocusThe Third Battle of Doiran sees the Bulgarians temporarily halt the Allied advance.
Vardar Offensive
The Allies launch the Vardar Offensive, the decisive attack against the Bulgarians on the Salonika front.
Second Battle of Doiran
The Second Battle of Doiran on the Salonika front ends in a Bulgarian victory over the Allies.
British capture Karajakois
The British capture Karajakois (now Monokklisia in northern Greece) from the Bulgarians on the Salonika front.
Monastir Offensive
An Allied offensive against the Bulgarians at Monastir (now Bitola in the Republic of Macedonia) ends in limited gains.
First Battle of Doiran
The First Battle of Doiran on the Salonika front ends in a Bulgarian victory over the Allies.
Corfu occupied
The Mediterranean island of Corfu is occupied by the Allies to receive the evacuated Serbian Army.
Battle of Kosturino
The Battle of Kosturino on the Salonika front ends in a Bulgarian victory over the Allies.
Serbs defeated
The Serbians are defeated by the invading Central Powers and remnants of their army are evacuated by Allied navies to regroup.
Serbia invaded again by Central Powers
Serbia is invaded by Germany, Austria-Hungary and their new ally, Bulgaria.
Allies begin landing at Salonika
French, British and Italian troops begin landing at Salonika (now Thessaloniki, in Greece) in the Balkans.
Second Austro-Hungarian invasion of Serbia
The Austro-Hungarians fail in a second attempt at invading Serbia.
Battle of Cer
The Serbs defeat the invading Austro-Hungarians in the first major Allied victory of the First World War. This battle also sees the first aerial dogfight when the pilots of Serbian and Austro-Hungarian reconnaissance aircraft engage each other with small arms.
