A

* Ahom Kingdom – The Ahom Kingdom * * – Kingdom of Alodia *

Andorra , image_flag = Flag of Andorra.svg , image_coat = Coat of arms of Andorra.svg , symbol_type = Coat of arms , national_motto = la, Virtus Unita Fortior, label=none (Latin)"United virtue is stro ...

– Principality of Andorra *

Aragon Aragon ( , ; Spanish and an, Aragón ; ca, Aragó ) is an autonomous community in Spain, coextensive with the medieval Kingdom of Aragon. In northeastern Spain, the Aragonese autonomous community comprises three provinces (from north to sou ...

– Crown of Aragon * – Duchy of Athens *

Ayutthaya Kingdom The Ayutthaya Kingdom (; th, อยุธยา, , IAST: or , ) was a Siamese kingdom that existed in Southeast Asia from 1351 to 1767, centered around the city of Ayutthaya, in Siam, or present-day Thailand. The Ayutthaya Kingdom is consid ...

* – Tepanec Empire ** ** ** **

B

* * * * – Viscountcy of Béarn *

Bosnian Kingdom The Kingdom of Bosnia ( sh, Kraljevina Bosna / Краљевина Босна), or Bosnian Kingdom (''Bosansko kraljevstvo'' / Босанско краљевство), was a medieval kingdom that lasted for nearly a century, from 1377 to 1463, and ...

Burgundian Netherlands In the history of the Low Countries, the Burgundian Netherlands (french: Pays-Bas bourguignons, nl, Bourgondische Nederlanden, lb, Burgundeschen Nidderlanden, wa, Bas Payis borguignons) or the Burgundian Age is the period between 1384 and ...

* *

Byzantine Empire The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...

C

* – Barony of Carbery * Castile – Crown of Castile * Catalonia – Principality of Catalonia * – Rajahnate of Cebu * * * – Cherokee Tribe * – Kingdom of Chimor * – Chinese Empire * – Kingdom of Connacht * * – Creek Tribe * – Kingdom of Cusco

E

* – Kingdom of East Breifne * England – Kingdom of England * – Despotate of the Epirus * – Ethiopian Empire

F

* – Kingdom of France

G

* Golden Horde * Granada – Emirate of Granada

H

* Holy Roman Empire * – Kingdom of Hungary * * – Huron Tribe

I

* Iroquois – The Iroquois League

J

* Japan – Ashikaga Shogunate

K

* Kalmar Union * * – Sultanate of Kashmir, Gabari Tajik dynasty * ( Joseon Dynasty)

L

* – Lan Xang Hom Khao * Lithuania – Grand Duchy of Lithuania *

M

* * * – Sultanate of Malwa * Mamluk Sultanate (Cairo) * – Mayapan, Cocom dynasty * * – Moghulistan, or the Eastern Chagatai Khanate ** * Moldavia – Principality of Moldavia * ** * – Despotate of Morea * – Sultanate of Morocco * – Kingdom of Mutapa *

Mysore Mysore (), officially Mysuru (), is a city in the southern part of the state of Karnataka, India. Mysore city is geographically located between 12° 18′ 26″ north latitude and 76° 38′ 59″ east longitude. It is located at an altitude of ...

– Kingdom of Mysore

N

* * Naples – Kingdom of Naples *

Navarre Navarre (; es, Navarra ; eu, Nafarroa ), officially the Chartered Community of Navarre ( es, Comunidad Foral de Navarra, links=no ; eu, Nafarroako Foru Komunitatea, links=no ), is a foral autonomous community and province in northern Spain, ...

– Kingdom of Navarre

O

* Osraige * * Ottoman Empire – Sublime Ottoman State

P

* Papal States * Poland – Kingdom of Poland * Portugal – Kingdom of Portugal

Q

* * – Kingdom of Quito

R

Ryukyu The , also known as the or the , are a chain of Japanese islands that stretch southwest from Kyushu to Taiwan: the Ōsumi, Tokara, Amami, Okinawa, and Sakishima Islands (further divided into the Miyako and Yaeyama Islands), with Yonagun ...

Hokuzan , also known as before the 18th century, located in the north of Okinawa Island, was one of three independent political entities which controlled Okinawa in the 14th century during Sanzan period. The political entity was identified as a tiny co ...

Chūzan was one of three kingdoms which controlled Okinawa in the 14th century. Okinawa, previously controlled by a number of local chieftains or lords, loosely bound by a paramount chieftain or king of the entire island, split into these three more ...

** Nanzan

S

County of Santa Fiora The County of Santa Fiora ( it, Contea di Santa Fiora), also known as State of Santa Fiora ( it, Stato di Santa Fiora, links=no) was a small historical state of southern Tuscany, in central Italy. Together with the county of Sovana, it was one of ...

* Scotland – Kingdom of Scotland * Serbia – Serbian Despotate * – Tribe of Shawnee * – Kingdom of Sukhothai * Sultanate of Sulu

T

Tartu Tartu is the second largest city in Estonia after the Northern European country's political and financial capital, Tallinn. Tartu has a population of 91,407 (as of 2021). It is southeast of Tallinn and 245 kilometres (152 miles) northeast o ...

– Bishopric of Tartu * Texcoco * Thomond – Kingdom of Thomond * Timurid Empire – Timurid dynasty * Tlatelolco * Tlaxcala – Tlaxcallan Confederacy * – Kingdom of Tondo * – Empire of Trebizond

V

W

* Wallachia * West Breifne – Kingdom of West Breifne

Z

* – Zapotec tribe *

Zeta Zeta (, ; uppercase Ζ, lowercase ζ; grc, ζῆτα, el, ζήτα, label=Demotic Greek, classical or ''zē̂ta''; ''zíta'') is the sixth letter of the Greek alphabet. In the system of Greek numerals, it has a value of 7. It was derived fr ...

– Principality of Zeta {{Lists of sovereign states by year , expanded=CE

1400 Year 1400 ( MCD) was a leap year starting on Thursday (link will display the full calendar) of the Julian calendar. The year 1400 was not a leap year in the Proleptic Gregorian calendar. Events January–December * Henry IV of Englan ...