A Jewish national home in Palestine was pledged:

By U.S.A in 1948

By U.N.O in 1947

By British Empire in 1917

By Allied Powers in 1915

The Balfour Declaration was a public pledge by Britain to establish a Jewish national home in Palestine in 1917.

The declaration was made during World War I.

On May 14, 1948, David Ben-Gurion proclaimed the establishment of the State of Israel.