Halo: Infinity Timeline

This is a timeline of all events in the Infinity Timeline. Canon events will be added later on.

2553

 * March
 * 1st: Temporary war memorial is erected
 * December
 * 6th: Great Civil War of 2553 begins

2554

 * May
 * 15th-30th: Operation: BARBADOS: ONI destroys UEG conference building; top seven (all of which were corrupt to different degrees since January) and dozens others are killed allowing UNSC to assume power over unstable Earth. UFC is framed and temporary military dictatorship continues.
 * July
 * 17th: Sangheili Civil War begins.

2555

 * Unknown date
 * Separatist Unggoy fail in retaking Balaho.

2556

 * February
 * Unspecified date: Sangheili Civil War ends; Sangheili Empire assumes control of the Sangheili species.
 * November
 * UNSC begins Operation: SIERRA, the codename for the recolonization and/or restoration of 463 former/battered colonies. Another 25 within Human space yet habitable are also planned to be colonized. However, no actions are taken for two years.

2558

 * Unknown date
 * Fight for control begins on Eayn.
 * Unggoy Federation is formed. Capital is established on Benaho and small militia is erected.
 * April
 * 17th: Great Civil War of 2553 ends in a UNSC