World Heart Day - Scale up prevention of heart attack and stroke.
The peace dove flying with an olive branch in its beak is one of the most commonly featured symbols for the day.
Grandparents' Day is a secular holiday celebrated in various countries. Here's HQ blissful illustrations for National Grandparents Day.
World Tourism Day's purpose is to raise awareness on the role of tourism within the international community and to demonstrate how it affects social, cultural, political and economic values worldwide.