Efi Ziota, a 16-year-old student at 6th Kavala High School and Greek champion in “Microsoft Office Specialist”, will represent Greece in the final contest in Florida, the U.S.A. in August.

The fall of Constantinople that occurred on 29 May 1453 was the final phase of the Byzantine-Ottoman Wars (1265-1453) and the darkest page in Greek history and that of the Orthodox Church.

BBC Culture asked writing experts around the globe to pick stories that have endured across generations and continents and changed society. It comes as no surprise that Homer’s Odyssey topped their poll of 100 Stories that has shaped the world.