Category:20th-century history of the United States Army

• 20th-century United States Army personnel (6 C, 134 P)

A

• Aerial operations and battles of World War II involving the United States (2 C, 33 P)
• United States Army Air Corps (2 C, 8 P)
• United States Army Air Service (3 C, 8 P)
• Aircraft Warning Service (7 P)

H

• History of the United States Army in the United Kingdom (1 C, 2 P)

L

• 1992 Los Angeles riots (19 P)

M

• Military administration of Yellowstone National Park (8 P)

V

• United States Army in the Vietnam War (3 C, 12 P)

W

• United States Army in World War II (3 C, 39 P)

0–9

• 1919 Motor Transport Corps convoy

A

• Arkansas Army National Guard and the Cold War
• Arkansas Army National Guard and the Korean War
• Army Alpha
• Army–McCarthy hearings

B

• The Big Picture (American TV series)
• 1994 Black Hawk shootdown incident
• Black Jack (horse)

C

• Chaplain–Medic massacre
• History of civil affairs in the United States Armed Forces
• Civilian Labor Group

D

• Dugway sheep incident

F

• Fairchild Air Force Base shooting

G

• Green Ramp disaster

H

• Hill 303 massacre
• History of the United States Military Academy
• Howze Board

L

• List of known U.S. combat parachute jumps
• Lynching of African-American veterans after World War I

M

• Militor truck

N

• Night Train (test)

O

• Operation Gyroscope

P

• Pentomic

S

• Operation Sea Signal

T

• This Is Your Life (American franchise)
• Transcontinental Motor Convoy

U

• United States Army Military Government in Korea