If you are interested.
For example, watching costume TV dramas is not necessarily a historical film, but there are historical figures in it. If you are interested in this TV series, you can consult relevant materials. See if there is this favorite character in history. Are some plots on TV real or fictional? So I know a lot invisibly. But remember not to simply regard TV series as history, there are many adaptations in it.
Or find some well-conceived costume films, that is, there are no shocking lines in speech and the behavior is very dignified. Of course, it should also be read in combination with books. Again, even serious TV dramas have some jokes and mistakes that go against history.
Then there are some history books and short stories about history. It's in magazines and newspapers. Knowing history can also enrich your experience in dealing with people.