Title: List of smoking bans
Content:  A comprehensive smoking ban has been introduced prohibiting smoking in all public places including bars, restaurants, clubs, workplaces, stadiums, etc. and came into effect on 1 June 2012, though smoking is allowed in restaurants as long as there are separate rooms for smokers and non-smokers.
Title: Smoking (Public Health) Ordinance
Content:  Establishment" status, which was granted by the Department of Health. The Smoking Ban, as it is commonly referred to, bans smoking indoors in restaurants which sell more food than liquor, indoor workplaces other than exempted bars, mahjong parlours, saunas and karaoke centres, schools, as well as beaches, swimming pools, sports grounds and most public parks. The latest extension of the ban came into force on 1 January 2007. The establishments exempt from the ban would have to be smoke-free by August 2009. The law also empowers the government to designate certain public areas, mainly public transport interchanges, as no-smoking areas. The first group of such places went smoke-free on 1 September 2009. 
Title: Smoking ban in England
Content:  The ban came into force at 06:00 BST on 1 July 2007, as announced on 30 November 2006 by former Secretary of State for Health Patricia Hewitt, who called it "a huge step forward for public health". A legal blunder however by Stoke-on-Trent City Council meant that, while the smoking ban still applied in the city, the council were unable to issue fines to people caught flouting the law until 16 July 2007. The blunder caused the city to briefly be dubbed Smoke-on-Trent.
Title: Smoking in China
Content:  Smoking in certain public places in the Hong Kong Special Administrative Region has been banned from 1 January 2007 under the government's revised Smoking (Public Health) Ordinance (Cap. 371), first enacted in 1982 with several amendments subsequently. The latest amendment enlarges the smoking ban to include indoor workplaces, most public places including restaurants, Internet cafés, public lavatories, beaches and most public parks. Some bars, karaoke parlors, saunas and nightclubs were exempt until 1 July 2009. Smoking bans in lifts, public transport, cinemas, concert halls, airport terminal and escalators had been phased in between 1982 and 1997. The ban in shopping centres, 
Title: List of smoking bans
Content:  On 1 May 2018 legislation banning smoking in public places (stations, hotels, restaurants, café-bars, etc.) was enacted.
Title: Smoking ban
Content:  In Scotland, Andy Kerr, the Minister for Health and Community Care, introduced a ban on smoking in public areas on 26 March 2006. Smoking was banned in all public places in the whole of the United Kingdom in 2007, when England became the final region to have the legislation come into effect (the age limit for buying tobacco also increased from 16 to 18 on 1 October 2007). On 12 July 1999 a Division Bench of the Kerala High Court in India banned smoking in public places by declaring "public smoking as illegal first time in the history of whole world, unconstitutional and violative 
Title: List of smoking bans
Content:  Smoking has been prohibited in all enclosed public spaces since 1 October 2012.
Title: Smoking ban
Content:  illegal to advertise cigarettes or other tobacco products. In 2010 Nepal planned to enact a new anti-smoking bill that would ban smoking in public places and outlaw all tobacco advertising to prevent young people from smoking. On 31 May 2011 Venezuela introduced a restriction upon smoking in enclosed public and commercial spaces. Smoking was first restricted in schools, hospitals, trains, buses and train stations in Turkey in 1996. In 2008 a more comprehensive smoking ban was implemented, covering all public indoor venues. Smoking has been restricted at a French beach – the Plage Lumière in La Ciotat, France, became the first beach in 
Title: List of smoking bans
Content:  Hong Kong has seen all public smoking restricted from 1 January 2007 under the government's revised Smoking (Public Health) Ordinance (Cap. 371), first enacted in 1982 with several amendments subsequently. The latest amendment enlarges the smoke-free regulations to include indoor workplaces, most public places including restaurants, Internet cafés, public lavatories, beaches and most public parks. Some bars, karaoke parlors, saunas and nightclubs were exempt until 1 July 2009. Smoke-free regulations pertaining to lifts, public transport, cinemas, concert halls, airport terminals and escalators had been phased in between 1982 and 1997. The smoke-free requirements in shopping centres, department stores, supermarkets, banks, game arcades have been 
Title: Tobacco-free college campuses
Content:  In 1986, secondhand smoke was first recognized to be a possible health risk by the Surgeon General of the United States. Four years later, in 1990, San Luis Obispo, California, became the first city in the world to completely ban smoking in all public places. In 1993, secondhand smoke was officially labeled as a deadly carcinogen by the EPA. In 1998, The State of California followed San Luis Obispo's lead, banning smoking in all public places statewide. In 2006, 20 years after Surgeon General first recognized the potential risks of secondhand smoke, they released an official report condemning secondhand smoke 

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