The Siege of Madrigal was an engagement between the COG and the Locust Horde during the Locust War in 5 A.E.
Trivia[]
The name of this battle is a reference to a musical piece of the same name. Siege of Madrigal, originally from Bungie's RTS game Myth, has been featured as an easter egg in every Bungie-developed Halo installment.