1 When did the Ottomans first fight with the Byzantine Empire?
2 When did Osman Gazi become Sultan of the Ottomans?
3 Who captured Edirne?
4 When did the Ottomans capture the Kocaeli Peninsula?
5 When did Murat I die?
6 When did the Ottomans enter the Balkans?
7 When did Murat I become Sultan of the Ottomans?
8 When did the Ottomans capture Çimpe Castle?