It replaced the Provisional Constitution of the United Arab Republic of 1958 following the dissolution of the union of Egypt and Syria as the United Arab Republic.
President Gamal Abdel Nasser had intended the constitution, which replaced a presidential Constitutional Proclamation of 27 September 1962, to be a "final constitution", but the result ended up being only an "interim document".
[1] On 23 March 1964, Nasser published a draft of the constitution and the recently elected new National Assembly approved the document on 25 March.
[1] The text was called the Constitution of the United Arab Republic although it only applied to Egypt.
[1][nb 1] After the death of Nasser, the Constitution of 1964 was superseded by the permanent Constitution of 1971 adopted under President Anwar Sadat on 11 September 1971.