This weeks events:

Events for month
"David Ben Gurion declares the establishment of the State of Israel and the Arab states threaten war. The US recognizes the new country". (Naor, Zionism, Timeline, Articles, Documents, Glossary).
"A new air-borne aliyah begins: Ezra and Nehemiah. Within a year it will have brought some 120,000 Iraqi Jews to Israel."(Naor, zionism: Timeline, Articles, Documents, Glossary).
The beginning of settlement in the Lakhish region. The first settlement – Otsem
On 28.5.1948 a six months long siege on the Jewish Quarter ended with a victory to the Arab forces