Jacob Chansley, 34, from Phoenix, Arizona, pleaded guilty in September to one felony count of obstruction for his role in trying to block the counting of the 2020 Electoral College votes.
He also sentenced Chansley to three years probation once he's released.
In sentencing Chansley to prison time, Lamberth said he thought Chansley was "genuine in your remorse" but said the severity of his crime warranted the sentence.
Jacob Chansley, known as the "QAnon Shaman," screams "Freedom" inside the Senate chamber after the U.S. Capitol was breached by a mob during a joint session of Congress on January 6, 2021.
Chansley appeared in court Wednesday sporting a beard and wearing a green prison jumpsuit.
Jacob Chansley speaks in court during his sentencing hearing in Washington, D.C., on Wednesday, November 17, 2021.
The day after the riot, on January 7, Chansley voluntarily called the FBI and admitted to his role in the attack, surrendering two days later. »
