This flag is a former version of Bulgaria.
Tricolour adopted in constitution
Article 23 of the Tarnovo Constitution established the horizontal white, green, and red national flag.
State emblem added to tricolourThis flag
The flag retained its colours and order, with the People’s Republic emblem added to the hoist side of the white stripe.
Emblem modified again
The emblem on the flag changed slightly, with this version valid from 5 January 1967.
Years added to emblem ribbon
The emblem’s ribbon was divided to show 681 and 1944, and the flag was first hoisted on 21 May.
Plain tricolour restored
On 27 November, the constitutional flag description was changed to restore the white, green, and red tricolour without the state emblem.
Tricolour confirmed in constitution
The new constitution again defined the national flag as a horizontal white, green, and red tricolour.
Flag specified in law
The national-flag law confirmed the horizontal tricolour and specified equal-sized rectangular colour fields.
