From Tolkien Gateway
Timeline of Arda
Ainulindalë Days before days Years of the Trees Years of the Sun Later Ages
First Age Second Age Third Age Fourth Age
1 - 3,500 V.Y. 1 - 1,050 Y.T. 1,050 Y.T. - 590 Y.S. 1 - 3,441 S.A. 1 - 3,021 T.A 1 F.A. ~ ???
Timeline Timeline Timeline Timeline Timeline Timeline
Key events: Key Events: Key events: Key events: Key events: Key events:
The First War and the Marring of Arda

The Spring of Arda

Melkor raises the Iron Mountains and delves Utumno
The Two Trees grown in Valinor

Aulë creates the Fathers of the Dwarves

The Two Trees are destroyed
The first Elves awake in Cuiviénen

Battles of Beleriand between the Noldor and Morgoth

Defeat of Morgoth in the War of Wrath
The Edain settle on Númenor

The Rings of Power are forged

Downfall of Númenor
The One Ring is lost

Destruction of the Kingdom of Arnor

Sauron is defeated in the War of the Ring
Birth of Eldarion, son of Aragorn and Arwen

End in Middle-earth of the Fellowship of the Ring

Durin VII is born and retakes Khazad-dûm for Durin's Folk

See also