When was the first Martial Law imposed in Pakistan?

There are imposed three Martial Law and one Emergency till now.
First Martial Law was imposed by Iskandar Mirza on 7th October 1958.
Second Martial Law was imposed by Yahiya Khan on 25th March1969.
Third Martial Law was imposed by Zia Ul Haq on 5th July 1977.
General Pervaiz Musharraf imposed Emergency on 12th October 1999.