Timeline for 2673
27th century

• 2668 • 2670 • 2672
In 2673, invaders were found on Tairngire. The CSS Broadsword was assigned to investigate how they had infiltrated the colony and discovered the root of the problem was a sentient asteroid called Umbra. Broadsword, with the Seventh Doctor's help, disabled Umbra. (PROSE: Shadowmind)
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