Assessment Easter Island Timeline 2 By mmosch Period: 1500 BCE to 2000 BCE Expansion into Pacific Ocean 999 Settlement 1200 A civilization growth Period: 1400 to 1650 Raising Megaliths Period: 1700 to 1866 First Birdman Competition 1722 European Contact Period: 1862 to 1863 Slave Raids 1866 Abandoning of Old Culture 1888 Annexation to Chile