National Lemonade Day is a day we honor the old-time favorite drink called lemonade. On National Lemonade Day, it's traditional to celebrate by mixing up your favorite flavor of your choice. Lemonade now has a broader range of flavors to choose from. You can make regular lemonade, pink lemonade, strawberry lemonade and even watermelon lemonade. All of these are cool and refreshing drinks. This is one beautiful drink so make some homemade lemonade and enjoy!