Final answer:
The first alumni chapter of Alpha Phi Alpha was founded in New York City. It marked an important moment in African American and collegiate history.
Step-by-step explanation:
The first alumni chapter of Alpha Phi Alpha was founded in New York City. Alpha Phi Alpha is a historic fraternity, the first intercollegiate Greek-letter fraternity established for African American men, and the founding of its alumni chapters represents a significant part of both African American and collegiate history in the United States. The fraternity has since expanded with numerous chapters across the country, fostering a tradition of service and community involvement among its members.