When did the Kingdom of Jerusalem exist?

The Kingdom of Jerusalem existed 1099–1291. On this map it is drawn 1099–1293.

What was the capital of the Kingdom of Jerusalem?

The Kingdom of Jerusalem was ruled from Jerusalem (1099–1187), Tyre (1187–1191), Acre (1191–1291).

Middle East · Seljuks, crusaders and sultans

Kingdom of Jerusalem

Crusader state (feudal monarchy) · 1099–1291

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Type: Crusader state (feudal monarchy)
Existed: 1099–1291
Shown on the map: 1099–1293
Capital: Jerusalem (1099–1187), Tyre (1187–1191), Acre (1191–1291)
Peak area: ~54,000 km²
Region: Middle East

Origins & rise

The Kingdom of Jerusalem was the principal Crusader state, founded after the First Crusade stormed Jerusalem on 15 July 1099. The crusade had been preached by Pope Urban II at Clermont in 1095, and it profited from Muslim disunity: the Seljuk Empire had splintered after the death of Malik-Shah I in 1092, and the Fatimids of Egypt had only just retaken Jerusalem from the Artuqids in 1098. After the victory at the Battle of Ascalon (12 August 1099), Godfrey of Bouillon became the first ruler — pointedly refusing a royal crown "where Christ had worn a crown of thorns," styling himself instead Advocate of the Holy Sepulchre. His brother Baldwin I (1100–1118) accepted the royal title and, in historian Thomas Madden's phrase, became the true founder of the kingdom: he took Acre (1104), Beirut (1110) and Sidon (1111) with Italian naval help, established the feudal hierarchy, and asserted suzerainty over Edessa, Antioch and Tripoli.

History & key rulers

Under Baldwin II (1118–1131) the kingdom saw the Council of Nablus (1120), the first written laws; the founding of the Knights Templar and Hospitaller; and the Pactum Warmundi with Venice (1124), which delivered Tyre. The joint reign of Queen Melisende and Fulk of Anjou (1131–1143) was followed by the loss of Edessa (1144) and the disastrous Second Crusade, which wasted itself against Damascus in 1148. Baldwin III (1153–1162) captured Ascalon in 1153, and Amalric I (1162–1174) repeatedly invaded a disintegrating Fatimid Egypt — but his interventions only cleared the way for Nur ad-Din's general Shirkuh and his nephew Saladin, who seized Egypt in 1169–1171. The leper king Baldwin IV (1174–1185) won a stunning victory over Saladin at Montgisard (1177), but after his death the crown passed through the child Baldwin V to Sibylla and her husband Guy of Lusignan. Guy led the kingdom to catastrophe at Hattin (4 July 1187); Jerusalem surrendered to Saladin on 2 October. The Third Crusade (1189–1192) recovered a coastal strip, and the "Second Kingdom" was re-established at Acre in 1192. Frederick II briefly recovered Jerusalem by diplomacy (Treaty of Jaffa, 1229), but the city fell to the Khwarezmians in 1244, and the kingdom's final decades were consumed by civil strife — the War of the Lombards, the War of Saint Sabas — before the Mamluk sultan al-Ashraf Khalil destroyed Acre on 18 May 1291, ending the kingdom after 192 years. The map's end date of 1293 likely reflects the mopping-up of the last outposts.

Government, religion & culture

A classic feudal monarchy governed through the Haute Cour (High Court) and the celebrated Assises de Jérusalem, the kingdom was ruled by a French-speaking Catholic elite over a majority population of Greek and Syriac Orthodox Christians, Sunni and Shi'a Muslims, Jews and Samaritans — perhaps 250,000 people in 1131, and up to 650,000 by 1180. The military orders and the Italian maritime republics (Venice, Genoa, Pisa) formed virtual states within the state, and after 1192 the Italian communes dominated the economy of Acre.

Peak & territory

At its mid-12th-century height the kingdom ran in a thin strip from Beirut south to the Sinai and east across the Jordan — roughly the modern territories of Israel, Palestine, southern Lebanon and parts of Jordan, about 54,000 km².

Decline & legacy

Always a fragile "fragile miracle," the kingdom received too little sustained support from Europe and was squeezed to death between the Ayyubids and then the Mamluks. Its legacy is immense: the Assises influenced later feudal jurisprudence, the Crusader castles and churches of the Holy Land endure, and the title "King of Jerusalem" survived as a ceremonial claim among European dynasties — it is still formally borne today by the king of Spain.

Common questions

What was the Kingdom of Jerusalem?: The Kingdom of Jerusalem was the principal Crusader state, founded after the First Crusade stormed Jerusalem on 15 July 1099. The crusade had been preached by Pope Urban II at Clermont in 1095, and it profited from Muslim disunity: the Seljuk Empire had splintered after the death of Malik-Shah I in 1092, and the Fatimids of Egypt had only just retaken Jerusalem from the Artuqids in 1098.
When did the Kingdom of Jerusalem exist?: The Kingdom of Jerusalem existed 1099–1291. On this map it is drawn 1099–1293.
What was the capital of the Kingdom of Jerusalem?: The Kingdom of Jerusalem was ruled from Jerusalem (1099–1187), Tyre (1187–1191), Acre (1191–1291).
How large was the Kingdom of Jerusalem at its height?: At its mid-12th-century height the kingdom ran in a thin strip from Beirut south to the Sinai and east across the Jordan — roughly the modern territories of Israel, Palestine, southern Lebanon and parts of Jordan, about 54,000 km².
Who ruled the Kingdom of Jerusalem?: Under Baldwin II (1118–1131) the kingdom saw the Council of Nablus (1120), the first written laws; the founding of the Knights Templar and Hospitaller; and the Pactum Warmundi with Venice (1124), which delivered Tyre. The joint reign of Queen Melisende and Fulk of Anjou (1131–1143) was followed by the loss of Edessa (1144) and the disastrous Second Crusade, which wasted itself against Damascus in 1148.
How did the Kingdom of Jerusalem end?: Always a fragile "fragile miracle," the kingdom received too little sustained support from Europe and was squeezed to death between the Ayyubids and then the Mamluks. Its legacy is immense: the Assises influenced later feudal jurisprudence, the Crusader castles and churches of the Holy Land endure, and the title "King of Jerusalem" survived as a ceremonial claim among European dynasties — it is still formally borne today by the king of Spain.
How was the Kingdom of Jerusalem governed?: A classic feudal monarchy governed through the Haute Cour (High Court) and the celebrated Assises de Jérusalem, the kingdom was ruled by a French-speaking Catholic elite over a majority population of Greek and Syriac Orthodox Christians, Sunni and Shi'a Muslims, Jews and Samaritans — perhaps 250,000 people in 1131, and up to 650,000 by 1180.

Sources

Every source below was consulted while writing this entry.

Wikipedia en.wikipedia.org/wiki/Kingdom_of_Jerusalem
World History Encyclopedia, "Kingdom of Jerusalem" (timeline) www.worldhistory.org/timeline/Kingdom_of_Jerusalem/
SMOTJ library, Kings and Queens of Jerusalem library.smotj.org/wp-content/uploads/2024/01/Kings-and-Queens-of-Jerusalem.pdf

This entry was written from the sources above and last updated 10 September 2026.

This entry was researched and drafted with AI from the sources above, and has not been reviewed by a historian. How entries are made

Text available under CC BY-SA 4.0: reuse it with a credit to The World Through Time and a link to this page. Passages drawing on the Wikipedia articles listed above are also licensed CC BY-SA 4.0 by their contributors.

Border geometry for the map itself comes from Cliopatria v0.12 (Seshat Global History Databank, CC-BY-4.0).

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