Grouped By Office:PresidentAbraham Lincoln ................. 4 MAR 1861- 15 APR 1865
Vice PresidentHannibal Hamlin.................... 4 MAR 1861-4 MAR 1865
Andrew Johnson................ 4 MAR 1865 – 15 APR 1865
Secretary of StateWilliam H. Seward ............... 5 MAR 1861- 3 MAR 1869
Secretary of Treasury
Salmon P. Chase.................. 5 MAR 1861 – 30 JUN 1864
William P. Fessenden ........... 5 JUL 1864 – 3 MAR 1865
Hugh McCulloch................ 4 MAR 1865 – 3 MAR 1869
Secretary of WarSimon Cameron..................... 5 MAR 1861- 11 JAN 1862
Edwin M. Stanton ............................... 15 JAN 1862-1867
Attorney GeneralEdward Bates.......................... 5 MAR 1861- 1 DEC 1864
James Speed.................................. 2 DEC 1864- JUL 1866
Postmaster GeneralMontgomery Blair................. 5 MAR 1861- 23 SEP 1864
William Dennison...................... 24 SEP 1864 – JUL 1866
Secretary of the NavyGideon Welles....................... 5 MAR 1861- 3 MAR 1869
Secretary of the InteriorCaleb B. Smith........................ 5 MAR 1861-31 DEC 1863
John P. Usher...................... 1 JAN 1864 – 15 MAY 1865
Grouped By Dates Between Office Changes:5 MAR 1861 – 11 JAN 1862:Vice President............................. Hanibal Hamblin
Secretary of State..................... William H. Seward
Secretary of the Treasury .......... Salmon P. Chase
Secretary of War........................... Simon Cameron
Attorney General............................ Edward Bates
Postmaster General.................. Montgomery Blair
Secretary of the Navy...................... Gideon Wells
Secretary of the Interior................. Caleb B. Smith
15 JAN 1862 – 31 DEC 1863:Vice President............................. Hanibal Hamblin
Secretary of State..................... William H. Seward
Secretary of the Treasury .......... Salmon P. Chase
Secretary of War........................ Ewin M. Stanton
Attorney General............................ Edward Bates
Postmaster General.................. Montgomery Blair
Secretary of the Navy...................... Gideon Wells
Secretary of the Interior................. Caleb B. Smith
1 JAN 1864 – 30 JUN 1864:Vice President............................. Hanibal Hamblin
Secretary of State..................... William H. Seward
Secretary of the Treasury .......... Salmon P. Chase
Secretary of War........................ Ewin M. Stanton
Attorney General............................ Edward Bates
Postmaster General.................. Montgomery Blair
Secretary of the Navy...................... Gideon Wells
Secretary of the Interior.................. John P. Usher
5 JUL 1864 – 23 SEP 1864:Vice President............................. Hanibal Hamblin
Secretary of State..................... William H. Seward
Secretary of the Treasury ... William P. Fessenden
Secretary of War........................ Ewin M. Stanton
Attorney General............................ Edward Bates
Postmaster General.................. Montgomery Blair
Secretary of the Navy...................... Gideon Wells
Secretary of the Interior.................. John P. Usher
24 SEP 1864 – 1 DEC 1864:Vice President............................. Hanibal Hamblin
Secretary of State..................... William H. Seward
Secretary of the Treasury ... William P. Fessenden
Secretary of War........................ Ewin M. Stanton
Attorney General............................ Edward Bates
Postmaster General................... William Dennison
Secretary of the Navy...................... Gideon Wells
Secretary of the Interior.................. John P. Usher
2 DEC 1864 – 3 MAR 1865:Vice President.............................. Hanibal Hanblin
Secretary of State..................... William H. Seward
Secretary of the Treasury ... William P. Fessenden
Secretary of War........................ Ewin M. Stanton
Attorney General.............................. James Speed
Postmaster General................... William Dennison
Secretary of the Navy...................... Gideon Wells
Secretary of the Interior.................. John P. Usher
4 MAR 1865 – 15 APR 1865:Vice President............................. Andrew Johnson
Secretary of State..................... William H. Seward
Secretary of the Treasury ......... Hugh McCulloch
Secretary of War........................ Ewin M. Stanton
Attorney General.............................. James Speed
Postmaster General................... William Dennison
Secretary of the Navy...................... Gideon Wells
Secretary of the Interior.................. John P. Usher
Timeline:4 MAR 1861Abraham Lincoln inaugurated 16th President of the United States
Hannibal Hamlin sworn in as Vice President of the United States
5 MAR 1861William H. Seward sworn in as the Secretary of State
Salmon P. Chase sworn in as the Secretary of the Treasury
Simon Cameron sworn in as the Secretary of War
Gideon Welles sworn in as the Secretary of the Navy
Caleb B. Smith sworn in as the Secretary of the Interior
Edward Bates sworn in as the Attourney General
Montgomery Blair sworn in as the Postmaster General
11 JAN 1862 - Simon Cameron resigns as the Secretary of War
15 JAN 1862 - Edwin M. Stanton sworn in as the Secretary of War
31 DEC 1863 - Caleb B. Smith resigns as the Secretary of the Interior
1 JAN 1864 - John P. Usher sworn in as the Secretary of the Interior
30 JUN 1864 - Salmon P. Chase resigns as the Secretary of the Treasury
5 JUL 1864 - William P. Fessenden sworn in as the Secretary of the Treasury
23 SEP 1864 - Montgomery Blair resigns as Postmaster General
24 SEP 1864 - William Dennison sworn in as Postmaster General
1 DEC 1864 - Edward Bates resignes as Attourney General
2 DEC 1864 - James Speed sworn in as Attourney General
3 MAR 1865 - William P. Fessenden resigns as the Secretary of the Treasury
4 MAR 1865
Hannibal Hamlin ends term as Vice President of the United States
Andrew Johnson sworn in as Vice President of the United States
Hugh McCulloch sworn in as the Secretary of the Treasury
15 APR 1865Abraham Lincoln dies
Andrew Johnson is sworn in as 17th President of the United States
15 MAY 1865 - John P. Usher resigns as Secretary of the Interior
JUL 1866James Speed resigns as Attourney General
William Dennison resigns as Post Master General
1867 - Edwin M. Stanton resigns as Secretary of War
3 MAR 1869William H. Seward resigns as the Secretary of State
Gideon Welles resigns as the Secretary of the Navy