Which TCs were killed by GCs in 1955? Or are you talking about TC mercenaries under the command of the Colonialists, whose aim was to kill the Cypriot revolutionaries who were fighting for the liberation of Cyprus?
But of course there were killings before 1958. It was all started by you, when you invaded our island:
Throughout the period of Venetian rule, Ottoman Turks raided and attacked at will. In 1489, the first year of Venetian control, Turks attacked the Karpas Peninsula, pillaging and taking captives to be sold into slavery. In 1539 the Turkish fleet attacked and destroyed Limassol. Fearing the ever-expanding Ottoman Empire, the Venetians had fortified Famagusta, Nicosia, and Kyrenia, but most other cities were easy prey.
In the summer of 1570, the Turks struck again, but this time with a full-scale invasion rather than a raid. About 60,000 troops, including cavalry and artillery, under the command of Lala Mustafa Pasha landed unopposed near Limassol on July 2, 1570, and laid siege to Nicosia. In an orgy of victory on the day that the city fell--September 9, 1570--20,000 Nicosians were put to death, and every church, public building, and palace was looted. Word of the massacre spread, and a few days later Mustafa took Kyrenia without having to fire a shot. Famagusta, however, resisted and put up a heroic defense that lasted from September 1570 until August 1571.
http://countrystudies.us/cyprus/7.htm