1917
Israel's Most Important River Is The Jordan River
I would say the most important(and positive) thing that happened to Carter was the Camp David Peace Accords during his Presidency. These Peace Accords required Israel to leave Sinai and in return Egypt would recognize Israel. The most important negative thing that happened to Carter would probably be the failure to secure the release of hostages in Iran.
Salt
There have been many conflicts in Israel and most have not yet been resolved, please clarify your question and re-ask.
The Most Important date after Easter and Christmas is Ascension Day.
saudi aribia
Israel only has one river, The Jordan River, which it shares with neighboring countries.
What is your most important accomplishment to date?
Israel is certainly NOT a catastrophe, it is the most modern and up to date state in all of the middle East with the best Armed forces in the world.
that there are in Iran that there are in Iran
If you're asking what they did, most traveled to now-Israel or America.
Christianity and Islam both find Israel important to them. Most Christians are willing to abide Jewish control of the region; most Muslims are less willing.