The use of the word "literally" to be used as emphasis started in the 1700s, and people have been complaining about it since at least 1909 https://en.wikipedia

The use of the word "literally" to be used as emphasis started in the 1700s, and people have been complaining about it since at least 1909 https://en.wikipedia.org/wiki/Literally#As_an_intensifier https://en.wikipedia.org/wiki/Literally#As_an_intensifier