Mayor Vincent C. Gray’s Office on African Affairs (OAA) will hold the 5th Annual D.C. Africa Festival noon to 6 p.m. Aug. 3 at the Ronald Reagan Building and International Trade Center at the Woodrow Wilson Plaza, 1300 Pennsylvania Ave. NW. All who wish to attend, must RSVP at https://www.eventbrite.com/e/5th-annual-dc-africa-festival-tickets-12107482807.