Re: silly ?
When I wrote my action/fantasy set in 1890's India, "The Eyes of Mara," I spend about a month reading (and watching on video) some Kipling tales and took a book or two out of the library about the Raj period in Colonial India, and that was it. As I wrote the script and came across a technical detail, such as weapons used, types of food ate, clothing, etc, I would google it.
Research, I feel, should add credibility to your story, but the story itself should be timeless.
After I finished the first draft, I had a history expert and a military buff look it over and made changes that I felt were needed.
Bottom line, don't spend so much time researching the small details, since the story needs and deserves broader strokes that research will not give you. You'll end up losing focus of what your story is about.