July 11 marked 75 years since the ship SS Exodus 1947-set sail from the French port of Sete, carrying 4,515 Jews, most of whom were holocaust survivors, to bring them to Mandatory Palestine, the future state of Israel as part of allyah Bet.    The ship itsef, formerly known as President Warfield, was an inland steam packet ship built as a freighter and passenger carrier in 1928 for use in Chesapeake Bay before being as a training ship for the British Army during WWII.  Here, tge ship saw two trips across the Atlantic and even saw clashes with the nazis.  But its journey from France to the Holy Land during which it was renamed to Exodus 1947, has become arguably its most enduring legacy and cemented its place in Jewish history.           The period between 1920 and 1948 saw a wave of Jewish immigration to Mandatory Palestine.  However, it was devided into two distinct names, Aliyah Aleph and Aliyah Bet. The former refers to the limits, legal Jewish immigration into the mandate that was approved by the British.  Aliyah Bet, however was entirely illegal, trying to get around the restrictions the British implemented.  These restrictions got worse in 1939, after the British implemented the white paper that limited immigration, and subsequently saw more prospective Jewish immigrants to try and enter "Mandatory Palestine Illegally.  And after 1939, this only became a more pressing issue.  The rise of Nazi Germany and the start of WW II saw antisemitism and immenent danger for European Jewry skyrocket, prompting many refugees to attempt to flee...