Even for strong countries seceding from the euro, Deo sees a 5% chance of default.

FORBES: Handicapping a 2012 Eurozone Meltdown

In 1866, Tennessee became the first seceding state to be re-admitted to the Union.

CNN: Thursday,

In 1861, President Lincoln prohibited the states of the Union from trading with the seceding states of the Confederacy.

CNN: Friday,

Ultimately, seceding from the BCS is one of the most self-destructive things that the Big Ten or Pac-12 could do.

FORBES: Leaving The BCS Would Be Suicide For The Big Ten And Pac-12

Germany helped trigger the Balkan wars with its speedy recognition of the seceding Yugoslavian territories without any protection for Serbian minorities.

FORBES: NATO's Lack Of Any Serious Purpose Means It Should Retire