Who knows two hundred ninety?
?תשעים ומאתים - מי יודע
In the spirit of the song "Echad - mi yodeya", please post interesting and significant Jewish facts about the number 290.
Don't spend too much time running after lazy gematria on this one; whatever you come up with will probably be too narrow.
Check out mi-yodeya-series for the previous two hundred eighty-nine entries in this ongoing series.
Please include sources for your information wherever possible, as with all other answers on this site.