Israel has created and encountered a lot of controversies (which is still going on right now) as it was created in a previously established land, Palestine. This led to many conflicts between Israel and the Arab nations although relations have improved yet marginally. There have been numerous counts of violence between Israel and Palestine and many issues between them are unresolved currently.
Zionists bought land in Palestine for Jews as they thought Jews weren't safe in Europe
Britain issued the Balfour Declaration as they want to help the Jews by establishing a home in Plaestine
Zionists moved to Palestine and Jewish population increased 30%
World War II included the holocaust where Jews were exterminated and sent to labor camps. Due to the high casualties, this sparked the move to Palestine.
Israel formally recognized as a country though not to most Arab countries and was soon invaded by Arab countries. Israel fought off the attacks and seized the West Bank and Gaza strip
Received anit-aircract and other military supplies from US
This marked the beginning of steady flow of US military equipment to Israel
Conflict between Israel and several Arab countries such as Egypt and Syria. Israel ended up winning it.
Egypt and Syria attacked Israel on Yom Kippur but Israel won in the end
Egypt became the first Arab country to recognize Israel as a nation
Israel invaded Lebanon to root out the PLO involved in the civil war
The first infatida in Israel
Israel formally accepted PLO as the representative of Palestine and Palestine recognized Israel
Jordan Israel Peace treaty allowed Jordan to recognize Israel
Israeli prime minister, Rabin, was assassinated by an Israeli extremist and complicated truce negotiations.
Second Infatida in Israel
Fatah party controlled West Bank and Hamas controlled the Gaza strip
Fought with Hamas for control of land
Invaded Gaza after conflict with Hamas but soon withdrew