Fallowing is the order of events which lead to creation of Israel.
In 1916 Britain had viewed a Jewish entity in Palestine as detrimental to British strategic aims in the Middle East.
In 1917 British government adopted Balfour Declaration which intended the creation of a national home for Jews which was later endorsed by Italy, France and Japan as well as the League Of Nations.
In 1936 British appointed the Peel Commission which recommended the partition of Palestine. One part for Arabs and another part for Jews.
In 1942 The Extraordinary Zionist Conference was held in New York. It is also called Biltmore Program and it demanded the that Palestine be established as a Jewish Commonwealth.
In 1947 UNGA passed a resolution in which British Mandate of Palestine was partitioned into two - Jewish Sate and Arab State.
Lastly, on 14th may 1948, David-Ben Gurion the executive head of the World Zionist Organisation and the chairman of Jewish Agency for Palestine proclaimed the Israel Declaration of Independence i.e Declaration of the Establishment of the State of Israel. He became the first Prime Minister of Israel State which was first recognized by America in the same year and later Soviet Union fallowed the suit.