The significance of the International Anti-Drug Day is to arouse the attention of all countries in the world to the drug problem and call on people all over the world to fight against the harm of drugs.
The significance of the International Day of Peace is to let all countries and people remember and strengthen their ideals of peace within and among themselves.
The significance of "World Day for the Eradication of Poverty" is to arouse the international community's attention to poverty, mobilize countries to take concrete actions to help the poor, and publicize and promote poverty eradication work around the world.
The significance of World Population Day lies in raising people's attention to the world population problem.