I think that the question is too broad. Was there a specific war or place needed? Sticks, rocks, spears, bow and arrow, guns, machine guns, bazookas, cannons, howitzers, missles, torpedoes, rockets, bombs, hand grenades, mines, knives, swords and anything else that can be used as a weapons was used in the 20th Century.
20th century
the twentieth
The address of the Almond Twentieth Century Club Library is: Main Street, Almond, 14804 0504
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Modernism
On the Twentieth Century was created in 1978.
No, it is mid to late twentieth century
The guitar. and the piano
The Hoax of the Twentieth Century was created in 1976.
The Twentieth Century Approaches was created in 1986.
The ISBN of The Unfinished Twentieth Century is 9781859847800.
The Myth of the Twentieth Century was created in 1930.
Twentieth Century - typeface - was created in 1937.
Twentieth Century Eightball was created in 2002.
Paris in the Twentieth Century was created in 1994.
The duration of The Twentieth Century Approaches is 1.7 hours.
The Unfinished Twentieth Century was created in 2001-08.