Kingdom of Jerusalem Timeline

The crusaders defeated a large Seljuk army near Dorylaeum. The victory protected the crusading army's advance across Anatolia, although the march remained costly and difficult.

Image source: Battle of Dorylaeum (1097)

The First Crusade captured Antioch after a prolonged siege, then endured a counter-siege by Kerbogha of Mosul. The crusaders' survival and victory opened the route south toward Jerusalem.

Image source: Siege of Antioch

Godfrey of Bouillon and the crusaders defeated a large Egyptian Fatimid army near Ascalon. The victory secured Jerusalem's immediate survival, though Ascalon itself remained under Fatimid control.

Image source: Battle of Ascalon

King Baldwin IV's much smaller army defeated Saladin near Montgisard. The unexpected victory temporarily checked Ayyubid pressure and became one of the kingdom's most celebrated military successes.

Image source: Battle of Montgisard

Saladin defeated a Jerusalemite army near the Litani River. The loss weakened the kingdom's northern defenses and demonstrated the growing danger posed by Saladin's unified Muslim territories.

Saladin captured and destroyed the unfinished fortress of Chastellet at Jacob's Ford. The victory secured an important crossing of the Jordan and further exposed the kingdom's vulnerable northern frontier.

Saladin decisively defeated the main army of the Kingdom of Jerusalem near the Horns of Hattin. King Guy was captured, the True Cross was lost, and the defeat left most of the kingdom open to conquest.

Image source: Battle of Hattin

King Guy and crusader forces besieged Acre, which was held by Saladin. The prolonged operation attracted armies from across Europe and became the central military campaign of the Third Crusade.

Image source: Siege of Acre (1189–1191)

Richard the Lionheart arrived at Acre with the English contingent of the Third Crusade. His leadership helped force the city's surrender and restored a substantial crusader foothold on the coast.

Image source: Richard I of England

The garrison of Acre surrendered to the crusaders after nearly two years of siege. Acre replaced Tyre as the kingdom's principal political and military center.

Richard I defeated Saladin near Arsuf while advancing south from Acre. The victory restored crusader confidence and secured much of the coastal road toward Jaffa.

Image source: Battle of Arsuf

Crusaders captured the Egyptian port of Damietta after a long siege. They hoped to exchange it for Jerusalem, but strategic disagreements and failed negotiations eventually forced its return.

Image source: Fifth Crusade

Khwarazmian and Ayyubid forces destroyed a combined Jerusalemite and allied army at La Forbie. The defeat ended the kingdom's restored control of Jerusalem and severely reduced its military capacity.

Image source: Battle of La Forbie

King Louis IX of France launched a crusade aimed at Egypt, believing that control of the Nile valley could force the restoration of Jerusalem. The campaign ultimately failed after the capture and release of Louis.

Image source: Seventh Crusade

The Seventh Crusade suffered a major setback at Mansurah in Egypt. Although crusader forces briefly held parts of the city, counterattacks and disease helped bring the campaign to disaster.

The Mamluk sultanate defeated the Mongol army at Ain Jalut in Palestine. The victory preserved Mamluk control of the region and left the remaining crusader states facing the strongest power in the Levant.

Image source: Battle of Ain Jalut

Baldwin of Bourcq succeeded Baldwin I. His reign consolidated the monarchy, supported the military orders, and defended the kingdom against powerful Muslim rulers in Syria.

Image source: Baldwin II of Jerusalem

A small fraternity of knights was organized to protect pilgrims traveling near Jerusalem. It developed into the Knights Templar, a major military, financial, and political institution of the kingdom.

Image source: Knights Templar

Fulk succeeded Baldwin II through marriage to Queen Melisende. His reign balanced Angevin interests, the native nobility, and the political power of the queen and her Jerusalem-based court.

Henry of Champagne became king through marriage to Queen Isabella I. He ruled the restored coastal kingdom from Acre and helped stabilize the monarchy after the crises of 1187.

Amalric II of Lusignan succeeded through marriage to Isabella I and united the crowns of Jerusalem and Cyprus. His reign strengthened the kingdom's dynastic and strategic links with the island.

Holy Roman Emperor Frederick II married Queen Isabella II and assumed the crown of Jerusalem. His rule brought imperial authority into the kingdom but also provoked conflict with local nobles and the papacy.

Image source: Frederick II, Holy Roman Emperor

A prolonged civil conflict pitted supporters of the imperial Hohenstaufen monarchy against the Ibelin-led baronial faction. The struggle weakened central authority and divided the kingdom's political elite.

After a negotiated siege, Jerusalem surrendered to Saladin. The city returned to Muslim rule, while the Kingdom of Jerusalem survived only through a few coastal strongholds and prompted the launch of the Third Crusade.

Image source: Siege of Jerusalem (1187)

Saladin failed to capture Tyre after Conrad of Montferrat organized its defense. The port became the principal base of the surviving crusader kingdom and a rallying point for the Third Crusade.

Richard I and Saladin agreed to a settlement ending the Third Crusade. The crusaders retained the coastal strip from Tyre to Jaffa, while Christian pilgrims received access to Jerusalem, which remained under Muslim control.

Image source: Treaty of Jaffa (1192)

The Fourth Crusade captured Constantinople instead of reaching the Holy Land. The diversion reduced western resources available to Jerusalem and deepened the political fragmentation of the Christian eastern Mediterranean.

Image source: Sack of Constantinople

Frederick II negotiated with Sultan al-Kamil to regain Jerusalem, Bethlehem, and Nazareth without a major battle. The arrangement temporarily restored the holy cities to the kingdom but left them weakly defended.

Image source: Sixth Crusade

Sultan Baibars captured Caesarea, Haifa, and Arsuf during a sustained offensive against the crusader coast. These losses reduced the Kingdom of Jerusalem's territory and isolated its remaining strongholds.

Baibars captured Antioch and destroyed much of the city. The catastrophe removed a major northern Christian power and left the Kingdom of Jerusalem increasingly dependent on its coastal defenses.

Mamluk forces captured the County of Tripoli after a major siege. The loss exposed the remaining crusader territories around Acre and made the kingdom's final defense increasingly untenable.

After Acre fell, Mamluk forces took or compelled the abandonment of Tyre, Sidon, Beirut, and other remaining coastal positions. The mainland Kingdom of Jerusalem ceased to exist as a territorial state.

Image source: Crusader states

The royal title and claims of Jerusalem survived after the mainland conquest, passing through the Lusignan rulers of Cyprus and later European dynasties. The crown remained politically significant despite the loss of its Levantine territory.

Image source: Kingdom of Jerusalem

Sultan al-Ashraf Khalil besieged and captured Acre, the capital and last major stronghold of the Kingdom of Jerusalem. The fall ended effective Frankish rule on the mainland, although titular claims and island possessions continued.

Image source: Siege of Acre (1291)