| 1 | The Valar reach Arda. Melkor descends to Arda and destroys their work. |
| 15 | Tulkas reaches Arda and chases Melkor away. A long time of peace follows. |
| 19 | The Two Lamps Illuin and Ormal are built. The Valar take their home on Almaren. |
| 34 | Melkor returns to Arda and starts building Utumno. He destroys the Lamps of the Valar and forces the Valar to move into the West. |
| 35 | The Two Trees of Valinor are build upon the mountain Ezellohar. |