- In the beginning... - From the creation of the planet to the year 0 A.B., the creation of the planet, the first creatures, the first humans and very early explorers.
- 0 to 1100 A.B. - The first true explorers of Nova Arcana
- Neptunia (1100 - 1246) - The creation of the country of Neptunia; it's first explorers, early Kings and Queens, creation of the first states
- Neptunia 1246 - 1360 The early years of the country and it's first war
- Neptunia 1360-1382 The birth and outcome of the Civil War
- The present age (1382-present) - Neptunia after the Civil War