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🌍 observance

Trisomy Awareness

Sunday, March 1, 2026

— days to go

In 1959, Down Syndrome Cause. French geneticist Jérôme Lejeune discovered that Down Syndrome, a type of Trisomy disorder, is caused by an extra copy of chromosome 21

History

Discovery of Down Syndrome Cause. French geneticist Jérôme Lejeune discovered that Down Syndrome, a type of Trisomy disorder, is caused by an extra copy of chromosome 21

How It's Celebrated

Trisomy Awareness is observed by recognizing the importance of the day, learning about its background and significance, and sharing awareness with others through conversation and social media. Many people take time to reflect on the meaning of the observance and participate in relevant activities or community events.

Other Years

2021 Mon
01 Mar
2022 Tue
01 Mar
2023 Wed
01 Mar
2024 Fri
01 Mar
2025 Sat
01 Mar
2026 Sun
3/1
2027 Mon
01 Mar
2028 Wed
01 Mar
2029 Thu
01 Mar

Countries

🇺🇸 US

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