A timeline of all major events in the Halo universe from the time of the Forerunners through the rule of the Created.
The Algolis Invasion was a Covenant attack on the human colony world of Algolis in the Algol system sometime between 2548 and 2552.
The Second Ark Conflict was a battle between the UNSC forces aboard the Spirit of Fire and the Banished forces under command of Atriox on Installation 00 in 2559.
The Outbreak on Installation 00 was a brief encounter between Banished forces and the Flood on the surface of the Ark in and around the wreckage of the Covenant holy city High Charity.
The Installation 07 Conflict was a battle between UNSC forces led by John-117 and the Banished on Zeta Halo between December 12th, 2559 and May 31st, 2560.
