Prev Did WWII last longer than the total length of movies about WWII? For that matter, which war has the highest movie time:war time ratio? —Becky World War II was longer than the movies about it. To tally up World War II movies, you could start with Wikipedia. The site lists about 400 unique titles across their various lists of World War II films . Wikipedia is often the best place to find obsessive list-makers and categorizers. However, in the area of movie categorization, they have nothing on the people who tag plots on IMDb. Before we finish answering Becky's question, let's take a brief side trip into the strange IMDb tagging world. IMDb categorizes films with plot keywords. These words (or phrases) can be extremely specific, and cover a bizarre range of topics. For example, say you want to find all movies whose plot contains the following elements: "Nun", "la...