Cheeseburger day is celebrated annually on the 18th September. The best way to celebrate the holiday is to eat a lot of cheeseburgers!
World Heart Day - Scale up prevention of heart attack and stroke.
Skyscraper Day is a day to appreciate and admire the world's tallest skyscrapers.
Watermelon is called "the king of midsummer", refreshing and quenching thirst, tastes sweet and juicy, is a good summer fruit.