Animated mapping uses "animation, either computer or video, to add a temporal component to a map so that change in some dimension is displayed" (Wikipedia). Animated maps depict or make visual military actions over time. Events taking place over days, months, or years can be shown at a faster pace. Some Websites providing animated maps of military battles and wars include:
Search the Web for animated maps using the search pattern
[name of the battle, campaign, or war] animated map
For example, "Sanananda and animated map" identifies (among other animated maps):
Note: As is the case with printed publications, animated maps of specific battles may be contained within an animation of a campaign, operation, or war.
Maps of military battles and wars may be contained within books, government documents, and other publications. Maps are also contained within atlases, compendiums of maps.
first search box [battle] AND map*
second search box [battle] AND atlas*
substituting the name of the battle, campaign, or operation you are researching for [battle].
"world war" AND 1939-1945 AND map*
"world war" AND 1939-1945 AND atlas* to identify:
Note: The Rod Library locations of Map and Map Reference are located in the northeast section of the first floor (basement).