Strong’s Greek
G828 — Augoustos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
Αὐγοῦστος
Augoustos — pronounced ow'-goos-tos
from Latin ("august"); Augustus, a title of the Roman emperor:--Augustus.
1 occurrence in the KJV.
Luke 2:1
And it came to pass in those days, that there went out a decree from Caesar Augustus that all the world should be taxed.