| Hundreds of million years ago | The split of the superior spiritual life form in two: Light and Darkness. |
| 2 million years ago | The war between Light and Darkness ends, with Darkness being banned to another dimension and the creation of Algol’s seal. |
| AW 1 | After 13 years of war, the king of Baya Malay’s region builds an united kingdom on Palma. |
| AW 126 | First ship from Palma to land on Motavia. |
| AW 157 | First ship from Palma to land on Dezoris. |
| AW 327 | Palma’s king suddenly dies, and first-minister Lassic takes over. A lady of the court doesn’t trust Lassic and takes baby Alis, daughter of the dead king, to be raised by another family. |
| AW 341 | Lassic contacts Profound Darkness through Dark Force and begins to spread terror. |
| AW 342 | Phantasy Star 1
(released: Dec/20/87) |
| AW 813 | Phantasy Star Gaiden
(released: Oct/16/92) |
| AW 822 | Spaceship Noah, pilotted by humans from Earth, enters Algol solar system. |
| AW 845 | Mother Brain starts to work, secretly controlled by humans. |
| AW 1268 | Phantasy Star Adventure
(released: Mar/13/92) |
| AW 1284 | Phantasy Star 2
(released: Mar/21/89) |
| AW 2284 | Phantasy Star 4
(released: Dec/17/93) |
| 1000 years after PS 2 | Phantasy Star 3
(released: Apr/21/90) |