Tasu'a and Ashura marches
As the days of Tasu'a and Ashura (10 and 11 December) approached, in order to prevent a deadly showdown the Shah began to draw back. In negotiations with Ayatollah Shariatmadari, the Shah ordered the release of 120 political prisoners and Karim Sanjabi, and on 8 December revoked the ban on street demonstrations. Permits were issued for the marchers, and troops were removed from the procession's path. In turn, Shariatmadari pledged that to make sure that there would be no violence during the demonstrations.On 10 and 11 December, the days of Tasu'a and Ashura, between six and nine million anti-shah demonstrators marched throughout Iran.