Distant past

The distant past is a period before the 1st millenium.

Billions of years ago[edit]

In 97,445 BCE; Forthencho, acting as a messenger for the Gravemind, stated that the Domain had been gathering information from before there were stars and had around hundred billion years of "life-patterns and living wisdom".^[1] As of June 2557 this information was believed by people who worked under Project: BOOKWORM.^[2]

In 97,445 BCE, during a debate with Mendicant Bias, the Precursors were hinted by the Gravemind to have accumulating a vast reserve of rules based on experiences and disputes.^[5]

In 2526, John-117 theorized that the civilization on Netherop may have perished around a million centuries before, alongside around a thousand centuries, and a hundred centuries.^[6]

The Weapon estimated that some data on the Totem Rings may be older than the Forerunners.^[7]
The origins of the Eld symbol is stated to predate the Forerunners.^[8]

The Precursors seeded the species that would come to be known as Forerunners on the planet Ghibalb,^[9] branched from the same base stock that also produce ancient Humanity.^[10]

The Forerunner Warriors were considered the highest rate.^[11]
Star roads were placed around Charum Hakkor.^[12]
The Precursors choose early humans to be the next species to carry the Mantle.^[13] Desiring to seize the Mantle for themselves, the early Forerunners rebel against the Precursors and wipe them out almost entirely.^[14]
After the Forerunners hunt down all of the Precursors in the Milky Way galaxy. The remains of the Precursors retreat into the Large Magellanic Cloud; the Forerunners' Warrior fleets pursue them via probability mirror-reconciled slipspace portals and proceed to finish their work.^[14]
A number of Forerunners who conscientiously object to the complete destruction of the Precursors in the Large Magellanic Cloud are exiled^[14] on a barren planet within the Ta