History in Red and Blue (and Green and Purple)via Sabato’s Crystal Ball
Simple maps can teach a lot. Presidential election maps show at a glance where the nation was at four-year intervals beginning in 1824, when popular voting (of a very restricted sort) became established. John Quincy Adams lost that vote but won the White House anyway in the House of Representatives.
We didn’t have maps that analysts could splash with Republican Red and Democratic Blue until 1856, but since then, our two-party system has been remarkably stable — even as the meaning of the colors and party labels has changed dramatically. (The current Red/Blue scheme was gradually adopted by the news media in the 1970s and 1980s; it is pretty much universal now.) read more: centerforpolitics.org