National Courtesy Campaign (Singapore)
The National Courtesy Campaign was a campaign launched in June 1979 by the Ministry of Culture of Singapore as a means of encouraging Singaporeans to be kinder and more considerate to each other, so as to create a pleasant social environment. The courtesy campaign was to be an annual effort by the government to encourage the people to adopt a more courteous attitude and lifestyle.
Source: Wikipedia — National Courtesy Campaign (Singapore) (CC BY-SA 4.0)