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International Angelman Day
February 15
International Angelman Day is celebrated on February 15, 2026. A fun excuse to learn something new or gather your favorite people.
Photo: Yokoyama-Rebollar E, Ruiz-Herrera A, Lieberman-Hernández E, Del Castillo-Ruiz V, Sánchez-Sandoval S, Ávila-Flores SM, Castrillo JL – Mol Cytogenet (2015) via Wikimedia Commons.