The earliest known language of the Hebrews was early Biblical Hebrew (עברית).
The Torah states the first leader of the Hebrews was Abraham. Tradition holds that he lived about 4000 years ago.
No. The earliest paintings of Jews are from Medieval times.
God was.
Moses
Moses
Moses
There was no single leader of Jewish people after the year 70 CE.
Abraham.
He was their leader in about the 14th Century BCE.
there is no one person who is considered the greatest leader of the Hebrews. There have been many great leaders, such as: Abraham Jacob Joseph Moses David Solomon Esther
No. The earliest painting of a sailboat appears on a painted disc found in Kuwait dating to the late 5th millennium BCE, which was before the Hebrews were identified as a nation.