Why did President Ronald Reagan declare October 6th as German-American Day in 1983?

President Ronald Reagan declared October 6th as German-American Day in 1983 to recognize and celebrate the contributions of German Americans to the United States. This date was chosen to commemorate the arrival of the first German immigrants in 1683, who settled in Pennsylvania. Reagan's proclamation aimed to honor the rich cultural heritage and significant influence of German Americans on the nation's history, values, and growth.