TheKert t1_j2isj1u wrote

"Probably around January 897, Stephen VI ordered that the corpse of his predecessor Formosus be removed from its tomb and brought to the papal court for judgment."

"The macabre spectacle turned public opinion in Rome against Stephen. Formosus' body washed up on the banks of the Tiber, and rumor said it had begun to perform miracles. A public uprising deposed and imprisoned Stephen. He was strangled in prison in July or August 897."

6 months or so