Halo Timeline • Halo Evolved

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: Unyielding Hierophant

Sep

11:00 PM23:00

Human-Covenant War

Operation: FIRST STRIKE

Tuesday, September 12, 2552
11:00 PM 10:59 PM 23:00 22:59
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Operation: FIRST STRIKE was a mission undertaken by John-117 and several other Spartan-IIs to infiltrate and destroy the Covenant space station Unyielding Hierophant and associated armada of over 500 warships in the Tau Ceti system prior to the Covenant's invasion of Earth.

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