It's National Siblings Day! Here's what you need to know

By Amanda Jackson, CNN

Updated 11:08 AM ET, Wed April 10, 2019

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CNN invited readers last year to share photos of children with their new siblings. Here, Cecelia, 2, meets baby Sullivan. "Cece is very possessive of her little brother. 'He's mine' or 'my brother' or 'my Sully' are her favorite things to say to strangers when we are out together in public." -- <a href="http://ireport.cnn.com/docs/DOC-1231966">Cary Chadwick</a>, Higganum, Connecticut
Photos: Kids meeting their baby siblings
Hello, baby! – CNN invited readers last year to share photos of children with their new siblings. Here, Cecelia, 2, meets baby Sullivan. "Cece is very possessive of her little brother. 'He's mine' or 'my brother' or 'my Sully' are her favorite things to say to strangers when we are out together in public." -- Cary Chadwick, Higganum, Connecticut
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