In what year did the Pennsylvania school for the deaf open?

The Pennsylvania School for the Deaf opened its doors in 1820, making it one of the earliest institutions established for the education of Deaf individuals in the United States. This institution played a significant role in the educational landscape for Deaf children, promoting not just academic teachings but also social interaction within the Deaf community. The year 1820 was pivotal as it marked the beginning of a formalized approach to Deaf education in Pennsylvania, which influenced the development of similar institutions across the nation. This historical context emphasizes the importance of the year in shaping Deaf culture and educational practices.