Allen's Flowers Sisters are some of the best people in the world, and it is no surprise that National Sisters Day was created to celebrate their special bond. This year, you can celebrate your sister by sending caring National Sisters Day Flowers. This gift will make her happy and show how much you love her! National Sisters Day is a holiday that is celebrated on August 6th this year. It was created by Hallmark in 2000 and is meant to honor the special bond between sisters and celebrate their unique friendship.   USE COUPON CODES ON MAIN WEBSITE & SAVE     To celebrate National Sisters Day, you could: Give your sister a call or text her to say, "Happy National Sisters Day!" Take her out for lunch or dinner at her favorite restaurant (or make her favorite meal). Send her flowers or another thoughtful gift with a note reminding her how much she means to you! If you do not have a sister, consider celebrating National Sisters Day by calling or texting one of your close friends. You can also send them flowers or another thoughtful gift with a note reminding them how much they mean to you! The best part of National Sisters Day is that you do not need an excuse to celebrate your sister. You can do it anytime! Whether you are celebrating her birthday, Christmas or just because, she will love knowing how much she means to you. The holiday was created by the greeting card company Hallmark, and it first appeared on their products in 2000. Hallmark also created a website for National Sisters Day where you can find activities, crafts and recipes to do [...]