World Blood Donor Day This day falls on 14 June every year to raise awareness about the urgency of blood donations all over the world and to acknowledge and appreciate blood donors for their support. The main theme is has to be to donate blood for universal health coverage. So self -interestedly, many organizations ,volunteers ,and blood banks are organized camps and campaigns of awearing . And many blood donors are came front to donating in different form transfusion .And the theme of 2021 is safe blood for all and save the lives .So ,it's a global platform to everyone to promote and support effective national blood donor programmes and the elimination of a dependency on family/replacement and paid blood donation. and support effective national blood donor programmes and the elimination of a dependency on family/replacement and paid blood donation. Overall it collaborates internationally to maintain an adequate supply of blood for all patients throughout the year requiring transfusion.