Who was President immediately before Abraham Lincoln?

Who served as Vice President under James Buchanan? Under which president did John C. Breckinridge serve as Vice President? Which number president was Abraham Lincoln? Who succeeded Abraham Lincoln as President of the United States? Which president served from 1861 to 1865? In what year did Abraham Lincoln first take office as President? Who was Abraham Lincoln's first Vice President? Under which president did Hannibal Hamlin serve as Vice President?