The Tongan archipelago has been inhabited for perhaps 3000 years, since settlement in late Lapita times. The culture of its inhabitants has surely changed greatly over this long time period. Before the arrival of European explorers in the late 17th and early 18th centuries, the Tongans were in frequent contact with their nearest Oceanic neighbors, Fiji and Samoa. In the 19th century, with the arrival of Western traders and missionaries, Tongan culture changed dramatically.