Yellow calendar smoking cessation day

World Quit Smoking Day: May 31;

World Population Day: July11;

World Environmental Protection Day: June 5;

International Day of Peace: September 2 1.

1948 In June, at the first United Nations World Health Assembly held in Geneva, the World Health Organization was formally established, and decided to designate April 7th as World Health Day every year, encouraging countries to hold various commemorative activities. It is hoped that all countries in the world will pay attention to health problems, mobilize people all over the world to care about and improve the current health situation and improve the health level of human beings.

1972 10 10 In October, the 27th United Nations General Assembly adopted the recommendation of the United Nations Conference on the Human Environment, and designated June 5th as the "World Environment Day" every year, so that people all over the world would remember it forever. The United Nations system and governments should carry out various activities on this day every year to remind the world of the global environmental situation and the harm of human activities to the environment, and emphasize the importance of protecting and improving the human environment.