World Migratory Bird Day Download International Migratory Bird Day is a conservation initiative that brings awareness on conserving migratory birds and their habitats throughout the Western Hemisphere. This program is dedicated to international conservation efforts and environmental education ...

International day of human space flight, April 12. Graphics, Vector flat illustration and Icon Free Download . The world day of aviation and cosmonautics.  International Day of Human Space Flight The age of the human spaceflight began on 12 April 1961, when the Cosmonaut Yuri Gagarin became the ...