On May 14, 1948 the establishment of the State of Israel was proclaimed. The declaration of independence was followed by the establishment of the Israel Defense Forces (IDF), and the process of absorbing all military organizations into the IDF started. On June 1, an agreement had been signed between Menachem Begin and Yisrael Galili for the absorption of the Irgun into the IDF. One of the clauses stated that the Irgun had to stop smuggling arms. Meanwhile, in France, Irgun representatives purchased a ship, renamed "Altalena" (a pseudonym of Ze'ev Jabotinsky), and weapons. The ship sailed on June 11 and arrived at the Israeli coast on June 20, during the first truce of the 1948 Arab–Israeli War. Despite United Nations Security Council Resolution 50 declared an arms embargo in the region, neither side respected it.