that is not 1980s i was using a in like 2015

Technically, lined paper was invented in 1770, but this type of lined paper you see in the post was made in the 1980s.

Used mainly for schoolwork and writing notes and essays.

no i meant like i used that whenever it was that i was like in elementary school

I mean, same.
It's commonly used in small black notebooks that students write in school.

POV: Your writing text books during primary school </3 (I used them to learn how to do cursive and capitals as a kid)