On this day, May 14, 1948, Israel is declared to be an independent state and a provisional government is established. Immediately after the declaration, Israel is attacked by the neighboring Arab states, triggering the 1948 Arab–Israeli War.
Earlier, on November 29, 1947, the United Nations General Assembly recommended the adoption and implementation of the Partition Plan for Palestine. This UN plan specified borders for new Arab and Jewish states and also specified an area of Jerusalem and its environs which was to be administered by the UN. The end of the British Mandate for Palestine was set for midnight on May 14, 1948 and, immediately, the dual events of May 14th occurred.
This also began the Palestinian Diaspora.