 At the beginning of the First World War , the Egyptian police controlling the Sinai Peninsula had withdrawn , leaving the area largely unprotected . In February 1915 , a German and Ottoman force unsuccessfully attacked the Suez Canal . Minor Ottoman and Bedouin forces operating across the Sinai continued to threaten the canal from March through the Gallipoli Campaign until June , when they practically ceased until the autumn . Meanwhile , the German and Ottoman Empires supported an uprising by the Senussi ( a political @-@ religious group ) on the western frontier of Egypt which began in November 1915 . 
 At the beginning of the First World War , the Egyptian police controlling the Sinai Peninsula <a href='been_done' title='1'><mark>had</mark></a> withdrawn , leaving the area largely unprotected . In February 1915 , a German and Ottoman force unsuccessfully attacked the Suez Canal . Minor Ottoman and Bedouin forces operating across the Sinai continued to threaten the canal from March through the Gallipoli Campaign until June , when they practically ceased until the autumn . Meanwhile , the German and Ottoman Empires supported an uprising by the Senussi ( a political @-@ religious group ) on the western frontier of Egypt which began in November 1915 . 
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