Colorful Sock Day, celebrated on March 21, is World Down Syndrome Day. The day is not accidental. Today we also celebrate the first day of spring, which symbolizes the birth of a new life, as well as social acceptance. The date also refers to to the third chromosome in the 21st pair, which causes this condition. This On the day we put on colorful socks "not to match", which symbolize mismatch social and genotypic conditions faced by people with Down Syndrome, as well as diversity and uniqueness of each person.

The purpose of this holiday is to increase social awareness, breaking stereotypes, showing support, tolerance and acceptance for people with Down syndrome.

Joining the celebrations, today the building of the City Hall and District Office of Ełk will be illuminated in color.