In 1917, Britain promised its support to a 'Jewish national home' in Palestine. Over the years the Jewish population in Palestine kept growing
In 1947, UN divided historical Palestine into Arab ruled regions and Jews ruled regions with Jerusalem as international city
After the 1949 agreement following the Arab-Israeli war, Jordan controlled West Bank and East Jerusalem. Gaza was under Egypt
Israel annexed Sinai from Egypt and West Bank from Jordan during the 1967 Six-Day War
Israel returned Sinai to Egypt in 1982. It still controlled Gaza and West Bank
Israel says it 'pulled out of Gaza in 2005, UN still considers West Bank, Gaza as occupied territories