Charles M. Schulz Museum - Snoopy's sister Belle first appeared in Peanuts 43 years ago today in a strip published on June 28, 1976. In the June 1976 storyline, Snoopy decides to
![PEANUTS on Twitter: "Snoopy has a sister named Belle and she's a fashionista. Follow @BellePRGirl for a daily dose of Peanuts fashion! http://t.co/euec7gDvgE" / Twitter PEANUTS on Twitter: "Snoopy has a sister named Belle and she's a fashionista. Follow @BellePRGirl for a daily dose of Peanuts fashion! http://t.co/euec7gDvgE" / Twitter](https://pbs.twimg.com/media/Bh_C33tCMAA_0qS.png)
PEANUTS on Twitter: "Snoopy has a sister named Belle and she's a fashionista. Follow @BellePRGirl for a daily dose of Peanuts fashion! http://t.co/euec7gDvgE" / Twitter
![The Peanuts Movie on Twitter: "Belle will always be Snoopy's #1 sister. #Peanuts65 http://t.co/rpJW7GF02A" / Twitter The Peanuts Movie on Twitter: "Belle will always be Snoopy's #1 sister. #Peanuts65 http://t.co/rpJW7GF02A" / Twitter](https://pbs.twimg.com/media/CQVzZt6UcAAvA0m.png)