Category: History : Eras are divided into units called ________.?

Questions

sports actors: who co-starred as gale sayers in brian's song?

sports actors: besides field of dreams, what other baseball movie starred kevin costner?

sports actors: who played lou gehrig in pride of the yankees?

shades of red: redhead who had back-to-back #1s in 1988.?

shades of red: stevie wonder's "love light in flight" can be found on this movie's soundtrack?