This is the timeline of events for the Periodic Table Universe. The time scale used is BPTE and PTE which stand for Before Periodic Table Era and Periodic Table Era respectively.

  • 13,000,000,000 BPTE – The universe is formed
  • 1,933,000 BPTE – Earliest known record of the Dark Matter Empire.
    • Emperor Axion is crowned as ruler of the Dark Matter Empire.
  • 100,000 BPTE – The Dark Matter Empire mysteriously vanishes.
  • 0 PTE – The government for the galaxy is formed as the Periodic Table.
  • 879 PTE – A volcanic eruption destroys an ancient city on Eich-Tuo leaving behind the Lava Temple.
  • 956 PTE – A war takes place on Planet Eich-Tuo. This leaves behind a location known as the Haunted Bastion.
  • 1893 PTE – The events of Elementals take place.
    • Lord Radon secedes temporarily from the Noble Gas Provinces and recruits Iron and Nitrogen to conduct a coup.
    • The Plutonium Overlord is defeated and a peace treaty is formed over the warring noble gas houses.
    • This is the first year of the annual Galactic Science Festival.
  • 1937 PTE – Dr. Ruby Dium is born.
  • 1939 PTE – Professor Humphry is born.
  • 1952 PTE – The events of Droplet and the Prototype Machine take place.
    • The Weather Machine Mark I is created.
    • Fireling attacks planet Eich-Tuo.
    • Humphry defeats Fireling.
  • 1956 PTE – The events of Droplet 2: Fusion Power take place.
    • The Weather Machine Mark II is created.
    • Fireling returns once more to attack planet Eich-Tuo.
    • Humphry defeats Fireling again.
  • 1978 PTE – Molly “Molly-QL” Watari and Drew “Droplet” Watari are born as twins.
  • 1996 PTE – The Watari Siblings begin their career as musicians under the name “Droplet and Molly-QL”.
  • 1998 PTE – The events of Droplet: States of Matter take place.
    • The Weather Machine Tower is shown off at the Galactic Science Festival hosted at the University of Eich-Tuo.
  • 2000 PTE – The 2000th anniversary of the founding of the Periodic Table is celebrated.

Periodic Table Universe


DropletMolly-QLProfessor Humphry Heisenberg OttoDr. Ruby DiumLord KryptonProfessor StratusFirelingPrincess Cara BonnieKalofriohSobekCaptain Salty PeterSill E. ConTachyon Gang • Iron • Nitrogen • Lord Radon • Plutonium Overlord • King Kelvin • Emperor Axion

Tree FrogsFire GruntsGorgonCoriphantMad Hatter

Galactic Science ExpoOrgel’sFossil Corp