Short answers, pulled from the story.
The British Empire took control of a territory that had been part of the Ottoman Empire for four centuries in 1920. The League of Nations officially approved this arrangement in 1922 under what became known as the Mandate for Palestine.
Sir Herbert Samuel arrived on the 20th of June 1920 to become the first High Commissioner. He established his headquarters within the Augusta Victoria Hospital complex on Mount Scopus and served as a Zionist former British cabinet minister who shaped early administration years.
Official records show that 367,845 Jews and 33,304 non-Jews immigrated legally into Mandatory Palestine between 1920 and 1945. Another estimate suggests an additional 50,000 to 60,000 Jews entered illegally during the same period.
Sheikh Izz ad-Din al-Qassam died near Ya'bad on the 20th of November 1935 after a firefight with police hunting fruit thieves. He had arrived in Palestine from Syria in 1930 to organize an anti-Zionist militant group called the Black Hand.
Seven members including Canada Czechoslovakia Guatemala Netherlands Peru Sweden Uruguay supported the plan while three others India Iran Yugoslavia favored a single federal state containing both constituent parts. Australia abstained from the vote which adopted Resolution 181 II the 29th of November 1947.