Ecumene

Ecumene
Political Information
Head of State	First Councilor
Commander-in-Chief	Ur-Didact IsoDidact
Legislative Branch	Forerunner Council
Judicial Branch	Supreme Mantle Court
Societal Information
Capital	Capital
Official Language	Jagon, other Forerunner languages
State Religious Body	Mantle of Responsibility
National Holiday	Grand Star Season
Historical Information
Date of Dissolution	100,000 BCE

The Ecumene is the formal name of the galaxy-spanning Forerunner empire which existed over 100 thousand years ago and consisted of three million or more planets. The political center of this empire was known as the Capital, a massive structure containing multiple cities.

Known worlds

• Capital
• CE-10-2165-d
• Edom
• Erde-Tyrene
• Ghibalb
• G 617 g
• LP 656-38 e
• Requiem
• Unidentified Forerunner Planet
• Draetheus V

Trivia

• "Ecumene" is a word describing the Earth as known by the classical civilizations of Greece and the Romans. This later became used by Christian denominations to refer to the general "Christian world".
• Even though the Ecumene council could have numbered into the hundreds, there seems to be three main speakers; the Ur-Didact, The Librarian and Faber, who represent the Warrior-Servant caste, the Lifeworker caste and the Builder caste respectively. 
• All Forerunners in the Milky Way were part of the Ecumene, which would range in the billions.
• The Ecumene was mentioned to be extremely wealthy several times.

List of appearances

• Halo: Cryptum (First appearance)
• Halo 4 (Terminals)
• Halo: Combat Evolved Anniversary (Terminals) (Mentioned only)