07/20/1866
Governor Crawford of Kansas appoints Edmund Ross to succeed James H. Lane in the U.S. Senate.
09/13/1866
The Massachusetts Republican Convention meets and has harsh words for President Johnson.
09/18/1866
In Galesburg, Illinois, the annual general meeting of Universalists condemns President Johnson.
09/29/1866
In a Cleveland, Ohio speech, Benjamin Butler threatens President Johnson with impeachment.
12/03/1866
Senator George Williams of Oregon introduces the "Tenure of Office Act" in the U.S. Senate.
12/18/1866
The U.S. Senate passes the initial version of the "Tenure of Office Act" on a vote of twenty-nine for and nine against.
01/07/1867
The House of Representatives requests its Judiciary Committee to investigate impeachment of President Johnson
01/28/1867
In Washington D.C., President Johnson vetoes the Colorado Statehood Bill
02/18/1867
The compromise "Tenure of Office Act" passes the U.S. Senate by a vote of twenty-two to ten.
02/19/1867
The compromise "Tenure of Office Act" passes the House of Representatives by a vote of 112 to 41.
03/01/1867
The U.S. Senate fails to override President Johnson's veto of the Colorado Statehood Bill.
03/02/1867
President Johnson rejects the "Tenure of Office Bill" and the Congress over-rides his veto before the day is out.
03/07/1867
The Fortieth Congress orders its Judiciary Committee to continue impeachment investigations on President Johnson
12/04/1867
In Washington, the House Judiciary Committee reports and recommends the impeachment of President Johnson.
12/07/1867
The Fortieth Congress strongly rejects its Judiciary Committee's recommendation to President Johnson.