Alton and Springfield Railroad convention assembles in U.S. District Court. Judge Treat is elected president. Lincoln is present with 12 other Sangamon delegates. Morgan County has four delegates, headed by Hardin and Lamborn, and five have come from Madison County.Alton Telegraph, 20 December 1845.

Lincoln writes to Samuel D. Marshall about Dorman et ux. v. Lane which he handled in Supreme Court for Marshall. He outlines his next procedure and concludes, "Dont speak of this, lest they hear it, and take the alarm."Abraham Lincoln to Samuel D. Marshall, 30 December 1845, CW, 1:352.

Defendant in Chauncey v. Jackson is ordered by Supreme Court to join in error by January 2, 1845. Butterfield appears for plaintiff and Lincoln for defendant.Record.

Lincoln pays into his bank account $11.99 cash, and $50 note made to him by Nathaniel Hay.Irwin Ledger.