| Year |
Event |
| 80 - 679 |
Tribes of Bulgars from the Volga area settle permanently in Bulgaria. |
| 811 |
The First Bulgarian Empire routs the Byzantine Empire. |
| 870 |
The Czar, Boris the First, enforces Christianity in Bulgaria. |
| 893 - 927 |
The Golden Era, the first Bulgarian Empire reaches great heights. |
| 924 |
Bulgaria is defeated by the Byzantines. |
| 1018 |
Bulgaria becomes part of the Byzantine Empire. |
| 1185 |
Revolt against the Byzantine Empire. |
| 1202 |
A peace treaty with the Byzantine Empire. The start of the Second Bulgarian Empire. |
| 1218 - 41 |
The second Golden Era including territorial expansion. |
| 1277 |
The Farmers' Revolt. |
| 1385 |
The Ottoman Empire captures Sofia. |
| 1688 |
Repression of the Bulgarian revolt against the Ottomans, end of the Catholic influence in Bulgaria. |
| 1806 |
The first book is printed in Bulgaria. |
| 1878 |
End of the Russian - Turkish War and Bulgaria is granted autonomy. |
| 1908 |
Ferdinand declares himself Czar; the Ottoman protection comes to an end. |
| 1913 |
The Second Balkans War. Bulgaria loses territory to Greece and Serbia. |
| 1915 - 18 |
The First World War, Bulgaria fights on the side of the "Central Powers". |
| 1935 |
Boris III declares a "Royal Dictatorship" that continues until 1943. |
| 1941 |
Bulgaria signs a treaty that allies it with the German side. |
| 1943 |
The Allies bomb Sofia. |
| 1944 |
The Red Army invades Bulgaria. |
| 1946 |
Georgi Demitrov, a Communist, is appointed as Prime Minister. |
| 1948 - 9 |
Religious organizations are declared illegal. |
| 1968 |
Government supervision is reinforced as a result of the Russian invasion of Czechoslovakia. |
| 1989 |
A large wave of Turkish immigration arrives in Bulgaria. |
| 1990 |
First multi-party elections since the Second World War. |
| 1991 |
Economic reform begins, the regime becomes democratic. |
| 1994 |
The Socialist Party wins the elections. |
| 2001 |
Simeon II is elected Prime Minister. |
