Númenórean Ships Return to Middle EarthNúmenórean Ships return to Middle-Earth (600 S.A.) - After 600 years of being away, the Númenóreans finally decided to return to Middle Earth to explore the land.

 

"In Tar-Elendil's reign, the ships of the Númenóreans first came back to Middle-earth." ~Unfinished Tales (The Line of Elros: Kings of Númenor)

 

They would eventually colonize the mainland.