There's a great chart of the popularity of tobacco, and of various modes of consuming it, on the first page of this paper:

http://cancercontrol.cancer.gov/brp/tcrb/monographs/8/m8_2.pdf

There's also a timeline of related events on page 16.

Peak tobacco use corresponded with the period where scientific studies were establishing that smoking causes cancer and various other diseases. It was several years into the decline of smoking popularity before "nonsmoker's rights" (i.e. measures against smoking in public) started taking off.