Timeline

A timeline of all major events in the Halo universe from the time of the Forerunners through the rule of the Created.

Filtering by: Cal-141

Operation: GREY VEIL

11:00 PM23:00

Human-Covenant War

Operation: GREY VEIL

Friday, June 30, 2541
11:00 PM 10:59 PM 23:00 22:59
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Operation: GREY VEIL was an Office of Naval Intelligence mission to assassinate a Covenant Prophet on the planet Heian sometime in 2541.