This timeline hurts my head. Also, a weird idea popped into my mind - if everyone killed Lavos, then the Day of Lavos never occured. Therefore, the bad future would've never occured. This game still hurts my brain.
Primitive people fight with reptites.
Reptites go bye bye. People come in contact with Lavos and gain great powers Reptites prevailed, humans didn't BC 12,000 Kingdom of Zeal investigates and develops power from Lavos Kingdom of Zeal crumbles in Lavos' hands. Guardia celebrates year 1000. Historically the most peaceful period. This is where Crono, Marle, and Lucca return after beating Lavos.