Mormon History, Nov 8, 1845

[Anointed Quorum] after 4 p.m., "the Twelve and others met for council and prayer" .

[source: Quinn, D. Michael, The Mormon Hierarchy: Origins of Power, Signature Books, 1994, Appendex: Meetings and Initiations of the Anointed Quorum, 1842-45, http://amzn.to/origins-power]