He reighned for an unknown amount of time.
Yes
cleithenes introduced democracy in ancient Athens
long
The vowel "u" in "rule" is considered a long vowel because it says its name (pronounced like "you").
The Abbasids were able to rule for a long time because of their strong army
For as Long as a piece of string.
del alamos
268-273
About 300 years
8000000000000000000
25 years ;)
about 100 years