Why was the fall of Constantinople capital of the Byzantine Empire to the Ottoman Turks in the year 1453 such an important event for the Renaissance?

Answer 1

Yes, when Constantinople fell, the scholars from Constantinople took their work ie: Maps, Paintings, Formulas, Diagrams, etc. They went to Italy and spread their Ideas. So, the fall of Constantinople affected the Italian Renaissance,

Answer 2

Byzantine scholars fled the death of the Empire, carrying with them their culture and the works of classical literature that Imperial scribes had preserved over the centuries.