Notes:

So, this gif has 96 frames and there are no repeats in the background images used, so I don't have the room to source every image.

Because of that, I'll just list the wars featured in Alphabetical order:

Angolan Civil War
American Civil War
Cenepa War
Chechen Wars
Congo War (First, second and third)
Crimean War (1854-56)
Cuban Revolution
Falklands War
First World War
Gulf War (First and Second)
Iran-Iraq War
Indian-Pakistan War (1965)
Italian-Ethiopian War (Second)
Kargil War
Korean War
Libyan Civil War (2010s)
Russian Revolution
Russo-Japanese War
Sino-Japanese War (1937)
Syrian Civil War (Current)
Vietnam War
Ukrainian Civil War (Current)
Yom Kippur War
Yugoslav Wars