The Fort is a defensive tile improvement in Civilization VI. It requires Siege Tactics and can be built by a Military Engineer. The Roman Fort is identical in function to a normal Fort, but is available much earlier in the game (since it can be built by a Roman Legion). * Effects: * Occupying unit receives +4 File:Civ6StrengthIcon.png Defense Strength and automatically gains 2 turns of fortification. The Fort can be constructed on any of the following terrain and its (Hills) variant: * Desert * Grassland * Plains * Snow * Tundra