Which was the first monotheistic religion, Zoroastrianism or Judaism or...?

[stpauler]

According to Wikianswers, well, Wikianswers seems to contradict itself.

Answer
Zoroastrianism was the first monotheistic religion, believed to have been founded in southern Russia around 1700-2000 BCE.

Akhenaten, pharaoh of Egypt from about 1353 to 1336 BCE, also introduced a monotheistic religion, but it did not last beyond his death.

Monotheistic Judaism was introduced by King Josiah of Judah during the seventh century BCE.

Answer
The first monotheistic religion was Judaism.