Events in the year 1918 in Bulgaria.

Incumbents 
Monarch – Ferdinand I until 3 October, then Boris III
Prime Minister – Vasil Radoslavov until  21 June 1918; then Aleksandar Malinov 21 June – 28 November; then Teodor Teodorov

Events 

 29 September – The Armistice of Salonica (also known as the Armistice of Thessalonica) was signed between Bulgaria and the Allied Powers in Thessaloniki.

References 

 

 
1910s in Bulgaria
Years of the 20th century in Bulgaria
Bulgaria
Bulgaria