In case you missed it, March 21 is officially World Down Syndrome Day, [1] a day meant to celebrate people with the disorder — and it also means we can squeeze our kids with an extra chromosome [2] just a little bit tighter. And while we love this day because it routinely educates people about Down syndrome, a sweet trend encouraging people to wear mismatched wacky socks to honour the day has taken social media by storm. According to the Twitter thread, "The day is meant to teach people what Down syndrome is, what it means to have Down syndrome, and how people with Down syndrome play a vital role in their communities," and we can't get enough of it. Scroll through to get a look at all the sweet photos!