The current Jewish Year is 5764 which is from September 2003 through September 2004.
if i had to pick most influential man EVER thats a very difficult choice, so i will be simple and say Adam, the first man
since religion is brought up...
The monotheistic religions (having one god) are Judaism, Christianity, Islam, Parsees, Sikhism, and the Bahai. Are all based on Judaism which was the first monotheistic religion; similarly Judaism, Christianity, and Islam all have the same god, which is... God... that being said we might as well just say God is the most influential... man, being, whatever.
check out this page for religion stuff
http://www.krysstal.com/wgods.html
i dunno about the site but that page is a great overview and has a buncha stuff