Flag of El Salvador
The flag of El Salvador was created in 1912. It has two horizontal blue bands at the top and bottom and a white band in the middle with the Coat of arms of El Salvador in the center.
Flag Of El Salvador Media
Cadets of the School for Corporals and Sergeants holding the 1875 military flag: Script error: The function "hyphen2dash" does not exist. 
The obverse of the flag of El Salvador used by the military from 1865 to 1912
Flag of El Salvador (1865)
Flag of El Salvador (1875–1912)