Tribal Occupation
	Thracians (480-29)

Foreign Rule
	Rome (29 BC-AD 395)
	Byzantium (395-681)

Kingdom of Bulgaria
	First Dynasty
		-Asperuch (681-702)
		-Tervel (702-718)
		-? (718-725)
		-Sevar (725-740)
		-Kormisos (740-756)
		-Vinech (756-762)
		-Telech (762-765)
		-Sabin (765-767)
		-Romar (767)
		-Toktu (767-772)
		-Magan (772)
		-Telerig (772-777)
		-Kardam (777-803)
		-Krum (803-814)
		-Dukum (814)
		-Ditsen (814-816)
		-Omortag (816-831)
		-Malamir (831-836)
		-Presijan (836-852)
		-Boris I (852-889)
		-Vladimir (889-893)
		-Simeon I (893-927)
		-Peter I (927-969)
		-Boris II (969-971)

Foreign Rule
	Byzantium (971-976)

Kingdom of Bulgaria
	Second Dynasty
		-David (976-987)
		-Moses (976-987)
		-Aaron (976-987)
		-Samuel (976-1014)
		-Gabriel (1014-1015)
		-John (1015-1018)

Foreign Rule
	Byzantium (1018-1185)

Kingdom of Bulgaria, under Mongolia (1241-1300)
	Asen House
		-Peter II (1185-1187)
		-Asen I (1187-1196)
		-Peter II (Restored: 1196-1197)
		-Kalojan (1197-1207)
		-Boril (1207-1218)
		-Asen II (1218-1241)
		-Koloman I (1241-1246)
		-Michael II (1246-1257)
		-Koloman II (1257-1258)
	Nemanja House
		-Constantine (1258-1277)
		-Ivajlo (1277-1279)
	Asen House
		-Asen III (1279-1280)
	Terter House
		-George I (1280-1292)
	Sliven House
		-Smilech (1292-1298)
	Tatar House
		-Chaka (1299)
	Terter House
		-Theodore (1300-1321)
		-George II (1321-1323)
	Sishman House
		-Michael III (1323-1330)
		-Stephen (1330-1331)
		-Alexander (1331-1371)
		-Stracimir (1360-1396)

Foreign Rule
	Turkey (1396-1908)

Principality of Bulgaria, under Turkey
	Battenberg House
		-Alexander (1878-1886)

Kingdom of Bulgaria
	Wettin House
		-Ferdinand (1887-1918)
		-Boris III (1918-1943)
		-Simeon II (1943-1946)

Republic of Bulgaria
	Presidency
		-Vasil Petrov Kolarov (1946-1947)
		-Mintscho Naitschev (1947-1950)
		-Georgi Damjanov (1950-1958)
		-Dimitar Ganev (1958-1964)
		-Georgi Traikov (1965-1971)
		-Todor Schivkov (1971-1989)
		-Petar Mladenov (1989-1990)
		-Schelju Schelev (1990-1997)
		-Petar Stojanov (1997-        )