The blue superscript numbers within the text refer to bibliographic references that appear only in Hebrew at the site:
1917–1948 C.E. – The British Mandate of Palestine (in the Land of Israel)
1917 – During the period of the First World War the situation of the Jews of Acre is poor. They submit a request for aid to the officials of the Palestine Bureau of the Zionist Organization ("Eretz Yisrael Office”). Rafiq Bey al-Tamimi and Amine Bahjat Bey, officials of the Turkish government, arrive in Acre to write a scientific civil scientific report about the city 239.
1918 –The Bavarian German air squadron conducts an excellent aerial photography mission over Acre 240 241. On September 23, the 13th British Brigade of the 5th Cavalry Division takes command of Acre.
1919 –A census is taken of the Jewish families in Acre. There are 35 families, the majority of Sephardic origin with only three families of Ashkenazic origin 242.
1920 – In April a series of violent clashes between Arabs and Jews begins in Jerusalem. As a first measure, the British immediately arrest Jabotinsky and 19 young men from the Haganah (one of the Jewish underground forces) on various charges. Jabotinsky is interned in the Acre prison and sentenced to 15 years at hard labor. The harsh sentence arouses a storm in public opinion throughout the country and the world. The trial is re-opened: Jabotinsky is re-sentenced to a single year’s imprisonment, and this is commuted.
1923 – Yehoshua Meyuhas resides in Acre and is both principal and teacher in the school for Jewish children for some years 243. The Nur (Hebrew: “fire”) match factory is established by the Weizmann brothers from Lithuania 244.
1925–1926 – In the framework of the Fourth Aliya (fourth wave of Jewish immigration, 1924 to 1929/32), Zionist pioneers arrive in Acre prepared to work quarrying sand and gravel, fishing, and are also employed in the Nur match factory 245.
1927 – In July, an earthquake of magnitude Richter 6, its epicenter in the Dead Sea, causes the collapse of buildings in Acre.
1929 – In August, at the time of a continuing series of violent inter-ethnic clashes, A Jewish family in Acre is attacked by rampaging Arabs 246.
1931 – A British governmental census determines that there are 231 Jews in Acre 247.
1933 – Yitzhak Ben-Zvi visits Acre.
1936 – During renewed violent clashes between Arabs and Jews, Jews flee Acre.
1941 – On July 14 in the “Sidney Smith” British barracks on Acre’s northern city limits (where the Hofim youth village stands today), an armistice is signed between France’s Vichy government occupying Syria and Lebanon, and the British in Mandate Palestine. The agreement is known as the Armistice of Saint Jean d'Acre (the first armistice between Britain and France since Napoleon’s time).
1944 (or 1942) – A powerful winter flooding of the Beit HaEmek stream destroys a section of the supporting arches of the aqueduct in the Arab village of Mazra'a The British build a metal siphon in place of this section, enabling a continued supply of water to Acre. Winter prepares a comprehensive archeological survey in Acre as the basis of preservation and renovation works.
May 4, 1947 – the Acre Prison Breakout takes place. In the preceding month, the prison holds 163 Jewish and 460 Arabs prisoners, 87 of the Jews being members of underground groups, the rest of the prisoners are felons. At the time of the breakout, 41 Jews and 214 Arabs succeed in escaping.