Eärendur becomes King of Arnor
Event Type: Political
Age: 3rd Age - The Kings
Eärendur was the son of Elendur, and became the tenth king of Arnor at his father's death. He assumed the throne at the age of 137.
Lord of the Rings: Return of the King Appx. A Part I Section ii "The Realms in Exile"
HoME 12: The Peoples of Middle-earth Part 1 "VII The Heirs of Elendil”