The Mexican-American War

Fight for Westward Expansion

Mexico Strikes on U.S. Soil

President James K. Polk announces to the public that Mexican soldiers have attacked U.S. civilians on the western front of the Louisiana Purchess territory.

Irish Sgt. John Riley Joins The Mexican Army

Sgt. John Riley of the U.S. Millitary, along with his entire regiment, deserted and joined Mexico's ranks due to their personal disagreement to the reasons behind the war.