The practical nature and relative cheapness of the kepi made it a popular military headdress from the mid-nineteenth century on. The Belgian Army had a distinctive form of kepi with a high back to it. This continued to be worn in black and silver by the Belgian Gendarmerie until the 1950s. Many Latin American armies wore kepis in the late 19th and early 20th centuries which were close copies of the French model. The Greek Army of the same period wore dark blue or green (the latter for cavalry) kepis and continued the same style of headress i ...

See also:

Kepi, Kepi - Other Armies, Kepi - US Army, Kepi - Non-military use

Read more here: » Kepi: Encyclopedia II - Kepi - Other Armies