Question: when did the smoking ban in public places start?
Answer: 1995, August 2 , 1990

In 1995, California was the first state to enact a statewide smoking ban; throughout the early to mid-2000s, especially between 2004 and 2007, an increasing number of states enacted a statewide smoking ban of some kind.  As of July 2017, the most recent statewide smoking ban is North Dakota's, which was ratified by voters on November 6, 2012.