Birthdays were not customarily recognized or celebrated in the Old Testament so Jacob/Israel's birthday is unknown.
If you are referring to the modern Nation-state of Israel, then it was declared 14 May 1948 and recognized by the U.N. on 15 May 1948.
israel's birthday is on May 10th
Chuck Israels was born on 1936-08-10.
Josef Israels was born on January 27, 1824, in Groningen, Netherlands.
Josef Israels died on August 12, 1911, in The Hague, Zuid-Holland, Netherlands.
Ehud Olmert
Israelis.
About 21,000 square kilometers.
Bibi netanyau as of 2009
25th.
Jerusalem
Judaism (75%).
mostly sunny and sometimes rain
Wie lang ist der längste Fluß Israels? translates as how long is Israel's longest river?