Some of the rulers and dynasties included:
The Ancient Near East:
Ancient Egypt (Horus Aha to Senedjemibre Nectanebo II),
Assyria (Sulili to Ashur-uballit II),
The Kingdom of Lydia (Gyges to Croesus)
The Hellenistic World:
The Kingdom of Macedonia (Perdiccas I to Perseus),
Bithynia and Pontus (Zipoites to Pharnaces II),
The Parthian Empire (Arsaces I to Artabanus IV)
The Roman and Byzantine Worlds:
The Roman Empire (Augustus to Romulus Augustus),
The Herodian Kingdoms (Herod the Great to Agrippa II),
The Kingdom of Armenia (Ashot I the Great to Gurgen II),
The Empire of Trebizond (Alexius I to David)
The Barbarian West:
The Visigothic Kingdom (Alaric I to Agila II),
The Ostrogothic Kingdom (Theoderic the Great to Teias)
The British Isles:
The Kingdom of England (Egbert to Elizabeth II),
The Principality of Wales (Merfyn the Freckled to David III)
France:
The Duchy of Brittany (Alan I Wrybeard to Anne),
The Principality of Monaco (Lambert Grimaldi to Rainier III)
The Low Countries:
The County of Holland (Dirk I to Jacqueline),
The County of Brabant (Godfrey I the Bearded to Philip of St Pol),
The Grand Duchy of Luxemburg (Adolf to John)
Italy:
The Kingdom of Naples and Sicily (Robert Guiscard to Francis II),
The Este in Ferrara and Modena (Azzo I to Francis V),
The House of Savoy (Humbert I Whitehands to Humbert II)
The Iberian Peninsula:
The Kingdom of Aragon (Ramiro I to Ferdinand II the Catholic),
The Kingdom of Portugal (Henry to Manuel II)
The German-speaking States:
The Holy Roman Empire (Charles I the Great to Francis II),
The House of Hesse (Henry I the Child to Ernest Louis)
Scandinavia:
The Kingdom of Norway (Harald I Fairhair to Olav V)
Eastern Europe:
The Kingdom of Bohemia (Borivoj I to Ferdinand I),
Medieval Serbia (Stephen Nemanja to Stephen Tomasevic)
Russia:
The Princedom of Kiev (Oleg to Gleb)
Crusader States:
The Kingdom of Jerusalem (Godfrey of Bouillon to Henry II),
The Empire of Constantinople (Baldwin I to Baldwin II)
Islamic Dynasties (except India):
The Caliphate of Cordoba (''Abd al-Rahman I to Hisham III, al-Mu''tadd),
The Kingdom of Granada (Muhammad I to Muhammad XII),
The Seljuqid Dynasty (Toghril Beg to Toghril III)
India:
The Maurya Empire (Chandragupta Maurya to Brihadratha),
The Delhi Sultanate (Aybak to Ibrahim II),
The Mogul Empire (Babur to Bahadur Shah II)
The Far East:
China (Shih Huang Ti to Hsuan T''ung),
Japan (Jimmu to Akihito),
The Kingdom of Laos (Kingkitsarat to Savangvatthana)
Africa:
The Ethiopian Empire (Yekuno ''Amlak to Asfa Wossen),
The Kingdom of Madagascar (Andriantsimitoviaminandriana to Ranavalona III)
The New World:
The Inca Empire (Manco Capac to Tupac Amaru),
The Aztec Empire (Acamapichtli to Cuauhtemoc),
The Kingdom of Hawaii (Kamehameha I to Liliuokalani)
The Ancient Near East:
Ancient Egypt (Horus Aha to Senedjemibre Nectanebo II),
Assyria (Sulili to Ashur-uballit II),
The Kingdom of Lydia (Gyges to Croesus)
The Hellenistic World:
The Kingdom of Macedonia (Perdiccas I to Perseus),
Bithynia and Pontus (Zipoites to Pharnaces II),
The Parthian Empire (Arsaces I to Artabanus IV)
The Roman and Byzantine Worlds:
The Roman Empire (Augustus to Romulus Augustus),
The Herodian Kingdoms (Herod the Great to Agrippa II),
The Kingdom of Armenia (Ashot I the Great to Gurgen II),
The Empire of Trebizond (Alexius I to David)
The Barbarian West:
The Visigothic Kingdom (Alaric I to Agila II),
The Ostrogothic Kingdom (Theoderic the Great to Teias)
The British Isles:
The Kingdom of England (Egbert to Elizabeth II),
The Principality of Wales (Merfyn the Freckled to David III)
France:
The Duchy of Brittany (Alan I Wrybeard to Anne),
The Principality of Monaco (Lambert Grimaldi to Rainier III)
The Low Countries:
The County of Holland (Dirk I to Jacqueline),
The County of Brabant (Godfrey I the Bearded to Philip of St Pol),
The Grand Duchy of Luxemburg (Adolf to John)
Italy:
The Kingdom of Naples and Sicily (Robert Guiscard to Francis II),
The Este in Ferrara and Modena (Azzo I to Francis V),
The House of Savoy (Humbert I Whitehands to Humbert II)
The Iberian Peninsula:
The Kingdom of Aragon (Ramiro I to Ferdinand II the Catholic),
The Kingdom of Portugal (Henry to Manuel II)
The German-speaking States:
The Holy Roman Empire (Charles I the Great to Francis II),
The House of Hesse (Henry I the Child to Ernest Louis)
Scandinavia:
The Kingdom of Norway (Harald I Fairhair to Olav V)
Eastern Europe:
The Kingdom of Bohemia (Borivoj I to Ferdinand I),
Medieval Serbia (Stephen Nemanja to Stephen Tomasevic)
Russia:
The Princedom of Kiev (Oleg to Gleb)
Crusader States:
The Kingdom of Jerusalem (Godfrey of Bouillon to Henry II),
The Empire of Constantinople (Baldwin I to Baldwin II)
Islamic Dynasties (except India):
The Caliphate of Cordoba (''Abd al-Rahman I to Hisham III, al-Mu''tadd),
The Kingdom of Granada (Muhammad I to Muhammad XII),
The Seljuqid Dynasty (Toghril Beg to Toghril III)
India:
The Maurya Empire (Chandragupta Maurya to Brihadratha),
The Delhi Sultanate (Aybak to Ibrahim II),
The Mogul Empire (Babur to Bahadur Shah II)
The Far East:
China (Shih Huang Ti to Hsuan T''ung),
Japan (Jimmu to Akihito),
The Kingdom of Laos (Kingkitsarat to Savangvatthana)
Africa:
The Ethiopian Empire (Yekuno ''Amlak to Asfa Wossen),
The Kingdom of Madagascar (Andriantsimitoviaminandriana to Ranavalona III)
The New World:
The Inca Empire (Manco Capac to Tupac Amaru),
The Aztec Empire (Acamapichtli to Cuauhtemoc),
The Kingdom of Hawaii (Kamehameha I to Liliuokalani)