9 a.m. Assembly hearing on West Side development projects; 250 Broadway, 19th Floor, Room 1923.
10 a.m. Supporters protest subpoenas of Puerto Rican activists; in front of Brooklyn Federal Court, Cadman Plaza, Brooklyn.
10:30 a.m. State Parks Commissioner Carol Ash celebrates Riverbank State Park’s 15th birthday; Riverbank State Park, 679 Riverside Drive.
11 a.m. Parks Department celebrates opening Rockaway Beach; Beach 95th Street, Queens.
Noon. New York City Department for the Aging’s Intergenerational Work Study Program celebrates its 21st anniversary; NYU Kimmel Center, Rosenthal Pavilion, 10th floor, 60 Washington Square South.
1:30 p.m. State Health Commission joins Assemblyman Steven Cymbrowitz to present resolution proclaiming May Stroke Awareness Month; Maimonides Medical Center’s Aron Pavilion, 4802 10th Ave., Brooklyn.
All day. Bronx Community College’s annual Black & Latino Initiative Conference; Colston Hall, Lower Level, BCC campus at West 181st Street and University Avenue.