National Sisters' Day is observed on the first Sunday of August every year. It falls on August 2 this year. The observance aims at showing gratitude to sisters and sisterhood. Other than being biologically connected, sisters are often best friends sharing everything about their lives with each other. They laugh and cry together and are there for each other no matter what. And as celebrate National Sisters' Day 2020, we bring to you wishes and messages to share on the day. It also includes Sisters' Day WhatsApp Stickers, Facebook Greetings, GIFs, messages and SMS to send your loved sister.