Definitions for "1st Infantry Division"
The 1st Infantry Division (Mechanized) of the United States Army —nicknamed “The Big Red One” after its shoulder patch—is the oldest continuously serving division in the United States Army.
The British 1st Division was first formed in 1809 when the Duke of Wellington formed it, in Portugal, from two British brigades and one Hanoverian brigade of the King's German Legion.
The South African 1st Infantry Division was an infantry division of the South African Army during World War II.