International Days April 30 2013 (United Nations)
The following is an overview of the days and the corresponding celebration declared by the United Nations that apply to Tuesday, 2013-04-30:
International Jazz Day: [UNESCO] In order to sensitize the general public about the virtues of jazz music as an educational tool and as a force for peace, unity, dialogue and strengthening cooperation between peoples, the International Jazz Day, observed on 30 April was proclaimed by the General Conference of UNESCO in November 2011.
World Immunization Week - Day 7: [WHO] The World Immunization Week is a world-wide public health campaign to raise awareness of the importance of improving vaccination delivery services and increasing rates of immunization against vaccine-preventable diseases. It takes place each year during last week of April.