Call of Duty Ghosts Timeline

2005

 * The Tel Aviv War begins. The war triggers a global resource crisis.
 * The U.S. commences Operation Sand Viper. Sixty soldiers are tasked with defending a hospital holding dozens of innocent civilians against five hundred enemy soldiers. The U.S. fighter are cut down to fourteen men. The civilians are evacuated, but the soldiers stay behind.  The fourteen men hide in the sand as the blood of their fellow soldiers dry on their faces, "anointing" them.  The soldiers come up from the sand and kill all but one of the enemy fighters. The enemy is found wandering, shell shocked.  He describes the encounter as paranormal, giving the fourteen men the title "Ghosts".

Some time before 2015

 * Russia, China, The United States, and several other First World countries lose their primary oil supply due to the havoc caused in the Middle East.
 * Brazil, Chile, and Venezuela join forces as the South American Federation.

2015

 * Diego Almagro, the leader of the Federation declares a purge of all U.S. born citizens in Federation territory.