Pick a year, or a kind. Difficulty, where a bookmark card gives one, is the patch 1.20.1.2 rating on the ruler's page. The historical index lists every seated character. New players still start with Murchad of Munster.
867

Byzantium
867 · 1066 · 1178 · empire
Basil, the Doukas emperor, and Manuel

Abbasids
867 · 1066 · 1178 · empire
Samarra, Baghdad, then Mesopotamia

France
867 · 1066 · 1178 · kingdom
Karlings, then the Capetians

The Empire
867 · 1066 · 1178 · empire
Karlings, Salians, Hohenstaufen

Rurikids
867 · 1066 · 1178 · dynasty
Novgorod, then the Rus principalities

Papacy
867 · 1066 · 1178 · theocracy
Nicholas I, Alexander II, Alexander III

Venice
867 · 1066 · 1178 · republic
Participazio, Contarini, Mastropiero

China
867 · 1066 · 1178 · hegemony
Tang, Song, and Song beside Jin
1066

Byzantium
867 · 1066 · 1178 · empire
Basil, the Doukas emperor, and Manuel

Seljuks
1066 · 1178 · empire
Great Seljuks, then Rum

Abbasids
867 · 1066 · 1178 · empire
Samarra, Baghdad, then Mesopotamia

France
867 · 1066 · 1178 · kingdom
Karlings, then the Capetians

The Empire
867 · 1066 · 1178 · empire
Karlings, Salians, Hohenstaufen

England
1066 · 1178 · kingdom
Harold, William's claim, Henry II

Normandy
1066 · duchy
William, before Hastings

Rurikids
867 · 1066 · 1178 · dynasty
Novgorod, then the Rus principalities

Komnenos
1066 · 1178 · dynasty
Alexios between the bookmarks, Manuel in 1178

Munster
1066 · duchy
Murchad, the tutorial seat

León
1066 · kingdom
Alfonso, before Toledo

Toledo
1066 · duchy
Yahya, Dhunnunid Toledo

Papacy
867 · 1066 · 1178 · theocracy
Nicholas I, Alexander II, Alexander III

Venice
867 · 1066 · 1178 · republic
Participazio, Contarini, Mastropiero

China
867 · 1066 · 1178 · hegemony
Tang, Song, and Song beside Jin
1178

Byzantium
867 · 1066 · 1178 · empire
Basil, the Doukas emperor, and Manuel

Seljuks
1066 · 1178 · empire
Great Seljuks, then Rum

Abbasids
867 · 1066 · 1178 · empire
Samarra, Baghdad, then Mesopotamia

France
867 · 1066 · 1178 · kingdom
Karlings, then the Capetians

The Empire
867 · 1066 · 1178 · empire
Karlings, Salians, Hohenstaufen

England
1066 · 1178 · kingdom
Harold, William's claim, Henry II

Rurikids
867 · 1066 · 1178 · dynasty
Novgorod, then the Rus principalities

Habsburgs
1178 · dynasty
Castle county, then the 1273 election

Komnenos
1066 · 1178 · dynasty
Alexios between the bookmarks, Manuel in 1178

Papacy
867 · 1066 · 1178 · theocracy
Nicholas I, Alexander II, Alexander III

Venice
867 · 1066 · 1178 · republic
Participazio, Contarini, Mastropiero

China
867 · 1066 · 1178 · hegemony
Tang, Song, and Song beside Jin