Significance Slurpee Day: 7-Eleven Celebrates Birthday Today, Significance and History 5 years ago 7-Eleven Day is also known Free Slurpee Day. On this day America's biggest accommodation store chain will give away an… World Oceans Day 2019: Theme, Significance and 5 Ways you can help Protect Our Oceans 6 years ago Today World Oceans Day - the day to celebrate the magnificence of the world's oceans and raise awareness about their… World Environment Day 2019: Why It Is celebrated, This Year’s Theme and Significance 6 years ago Every year, the World Environment Day is organized around a theme so as to draw consideration towards pressing environmental issues.…