The Ottoman Empire used the flag above in its early days.
Data
Proportions: 2" x 3"
Date Used: 1299-1375
Earlier Flag of the Ottoman Empire
The flag above is attributed to the early Ottoman Empire.
Data
Proportions: 2" x 3"
Date Used: 1375-1453
Flag of the Ottoman Empire After the Capture of Constantinople
The Ottoman Empire used this flag after the capture of Constantinople. It has a yellow Islamic crescent with a red field.
Data
Proportions: 2" x 3"
Date Used: 1453-1499
Flag of the Ottoman Empire after the Battle of de Lepant
The flag shown above was used in the Ottoman Empire as the state flag after the Battle of de Lepant, until the capture of Egypt.
Data
Proportions: 2" x 3"
Date Used: 1499-1517
Flag of the Ottoman Empire After the Capture of Egypt
The Ottoman Government switched their flag to this one after conquering Egypt in 1517.
Data
Proportions: 2" x 3"
Date Used: 1517-1793
Flag of the Ottoman Empire Following 1793
The banner above is attributed to the Ottoman Empire following 1793 until the Ottomans adopted the star and crescent most similar to the one of the modern-day Turkish Flag.
Data
Proportions: 2" x 3"
Date Used: 1793-1844
Final Flag of the Ottoman Empire
The Ottomans used this flag from 1844, when they adopted it officially, until its death after the First World War.