The crusades were a series of religious wars fought between christians and muslims in the middle ages these conflicts spanned several centuries from the 11th to the 13th centuries and were marked by a complex mix of political religious and economic factors the crusades had a significant impact on the history of europe and the middle east shaping the course of events for centuries to come this table lists some of the key battles and consequences of the crusades highlighting the major events that took place during this tumultuous period in history
| S. No. | Key Battles | Year | Results |
| 1 | First Crusade | 1096-1099 | Capture of Jerusalem and establishment of Crusader states in the Levant |
| 2 | Second Crusade | 1147-1149 | Failed attempt to recapture the County of Edessa |
| 3 | Third Crusade | 1189-1192 | Truce with Saladin and reopening of Christian pilgrimage routes |
| 4 | Fourth Crusade | 1202-1204 | Sack of Constantinople and destabilization of the Byzantine Empire |
| 5 | Children’s Crusade | 1212 | Failed to reach the Holy Land and many children died on the journey |
| 6 | Fifth Crusade | 1217-1221 | Gained control of Damietta but failed to capture Cairo |
| 7 | Sixth Crusade | 1228-1229 | Peaceful negotiation with the Muslim leader al-Kamil |
| 8 | Seventh Crusade | 1248-1254 | Failed to capture Cairo and resulted in the capture of Louis IX |
| 9 | Eighth Crusade | 1270 | Louis IX died before reaching the Holy Land |
| 10 | Ninth Crusade | 1271-1272 | Failed to capture any significant territory |
| 11 | Reconquista and Crusade of Nicopolis | 1450-1492 | Reconquest of Spain from the Muslims and failed attempt to retake Bulgaria |
| 12 | Fall of Acre | 1291 | Loss of the last Crusader stronghold in the Holy Land |
| 13 | Crusade of Varna | 1443-1444 | Decisive Ottoman victory and end of the Crusades |
| 14 | Hussite Wars | 1419-1434 | Religious conflict in Bohemia and the rise of Protestantism |
| 15 | Legacy of the Crusades | 13th-21st | Perpetuation of religious and cultural divisions between Christians and Muslims |
