Eldacar becomes King of Arnor
Event Type: Political
Age: 3rd Age - The Kings
Eldacar was the son of Valandil, and became the fourth king of Arnor at his father's death. He assumed the throne at the age of 162.
Lord of the Rings: RotK, App A, Part I, Section ii, The Realms in Exile
The exact date is not known, but a day is set to keep the chronology correct.