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NATIONAL SISTERS DAY – First Sunday in August

National Sisters Day First Sunday in August


National Sisters Day on the first Sunday in August is your chance to show your appreciation for that unique bond only sisters can understand.

All siblings have the odd argument here and there, but deep down there’s little way around the natural connection between siblings. Cherish the memories and make plans to create new ones.  Reconnect or patch up any misunderstandings.  Sisters are forever.  


Make this day a special celebration with your sister. If you don’t have a sister, you can still celebrate the friendships of sisterhood by having a girls’ night out! Post on social media using #NationalSistersDay to encourage others to do the same.


Within our research, we were unable to identify the creator of National Sisters Day. 

There are over 1,500 national days. Don’t miss a single one. Celebrate Every Day with National Day Calendar!

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