Omni-Timeline

-9999 BCE: The Omni-Timeline begins.
500 BCE: The ancient ones discover our ancestors, who were actually just really old people. Learn more about the Ancients.
200 BCE: The first Omni-Timeliner is invented, and promptly breaks it.
500 CE: The Omni-Timeline is used to plan the most epic of parties, which gets shut down by the authorities.