Here is a possible summary:
The text is about the Crusader myth, which portrays the Crusades as a global conflict between Christianity and Islam. The author argues that this myth is a gross simplification and a result of political manipulation. The author provides historical evidence to show that the Crusades were not motivated by religious zeal, but by papal ambitions, economic interests, and social problems. The author also shows that the world of Islam was not united or hostile to Christianity, and that the two religions had many similarities and interactions. The author concludes that the Crusader myth still influences modern conflicts and wars for faith.
Here are the key facts extracted from the text:
1. The Crusades shaped the Middle Ages and the image of Western Christian and Middle Eastern Islamic confrontation.
2. Saladin and Richard the Lionheart were notable figures during the Crusades.
3. The Crusades were a series of religious wars sanctioned by the Latin Church in the medieval period.
4. The core of the Sun's temperature is approximately 15 million Kelvin.
5. The prophet Muhammad founded Islam in 610 and wrote the Quran.
6. Muhammad conquered his birth city in 632, making it the capital of a new religion.
7. The Arabian tribes adopted Islam, which legitimized conquest.
8. Islam divided the world into Dar al-Islam (House of Peace) and Dar al-Harb (House of War).
9. The Umayyad dynasty ruled the caliphate until the mid-8th century.
10. A sect known as Shiites emerged during a civil war in Islam.
11. The Abbasids replaced the Umayyads and built Baghdad as their capital.
12. By the 11th century, there was no united Islamic world; it was fragmented into sultanates and emirates.
13. The concept of jihad evolved into a greater jihad (spiritual struggle) and a lesser jihad (holy war).
14. Christianity split into Orthodoxy and Catholicism in the 11th century.
15. Pope Gregory VII called for a holy war against Turks in the 11th century.
16. The First Crusade began due to internal conflicts within the Middle East.
17. Subsequent crusades failed, but participation remained high due to potential benefits and remission of sins.
18. The Crusades resulted in prolonged contact between Western Europe and the Middle East.
Please let me know if you need more details or further clarification on any of these points.