The inscription is formed in the Thuluth Arabic script, and translates basically as "There is no God but Allah, and Mohammed is God's messenger". This phrase is known as Shahada, and is an important declaration of belief in the Muslim faith.
The phrase is and was found on many other flags, including the old Afghan flag (used until 2001) and on the flag of the unrecognised state of Somaliland
1904
Saudi Arabia
Saudi Arabia......playing stc trivia game...ha ha ha
"La Ilaha Ilal Allah" Meaning there is no God but Allah since Saudi Arabia is a Muslim county.
saudia Arab
Saudi Arabia
JUSTICES
Saudi Arabia
http://en.wikipedia.org/wiki/Flag_of_Saudi_Arabia
It's a green background - with a white design consisting of Arabic text above a horizontal sword. See related link.
Probably Saudi Arabia's or the Vatican's
theres no saying on when it was invented but the latest modification was in 1972