May 5 1937 Petah Tiqvah Attacked
The village of Petah Tiqvah was attacked by several thousand armed Arabs in semi-military formation, and was saved from destruction only by the arrival of several squadrons of cavalry.
Source: Anglo-American Committee of Inquiry on Jewish Problems in Palestine and Europe. Report to the United States Government and His Majesty;s Government in the United Kingdom, Lausanne, Switzerland, April 20, 1946. Wahington: U.S. Govt. Print. Off, 1946.;