History of mods?

Im doing a essay for college about car modification and custom cars. Can anyone give me brief historty of car modification?
It'd be a great help

Thanks

[email protected]

Customizing started in the 50s, grew in the 60's, got creative in the 70's, got ugly in the 80's, and got redefined in the 90's.

Is that brief enough?

Haha, but what about the engine modding in the early 30's and 40's??