In Uşak and in Istanbul (Topkapı) İsmet İnönü, the leader of CHP was attacked by DP sympathizers on 1 and 4 May 1959.
On 25 March 1960, İsmet İnönü, the leader of CHP tried to visit Kayseri as a part of his election campaign.
On 27 April DP parliamentary group which held the majority in the parliament passed a law to form a committee of Inquest.
The committee, all members of which were DP MPs was tasked with inquires about the opposition party (CHP) and the press.
The law caused further unrest and on the next day a big protest was organized by the university students in Istanbul.