The word 'blouse' is sometimes used to mean men's military uniform shirts.
Blouses are usually more tailored than simple knit tops.
In the 1920s, the word 't-shirt' was included in the Merriam-Webster's Dictionary.
Madonna's adulation of younger pop stars found expression in the t-shirt she wore at the 7th Annual MTV Europe Music Awards. It had 'Kylie Minogue' written on it.