Plymouth Rock By CSBAILEY Period: 1620 to 2019 Plymouth Rock Dec 22, 1620 The Pilgrims Came 1741 a wharf was built Dec 23, 1741 started arguing about who stepped on the rock first 1769 the rock was called forefathers rock the rock was called forefathers rock Dec 22, 1769 Fore fathers day started 1774 people started to argue Dec 22, 1774 the people tried to move the rock and it broke Dec 22, 1774 the people tried to move the rock and it split in half again. Dec 22, 1796 Fore Fathers Day Started 1834 1620 was engraved in the rock Jan 29, 1834 Plymouth rock broke into three Dec 22, 1920 built a monument for the rock