1. Solar Eclipse of 2017 : On August 21, 2017, North Carolina was one of the states that experienced the solar eclipse. The event lasted for a few hours, with the peak of the eclipse occurring at approximately 2:44 pm EDT.

2. Hurricane Isaias: In 2020, North Carolina experienced Hurricane Isaias, which caused significant damage in the state. The storm made landfall in the state on August 3 and moved up the coast, leaving millions without power and causing widespread flooding.

3. First Flight: August 21, 1908, marked the date of the first successful flight in North Carolina. Orville Wright took off from Kill Devil Hill and flew for one minute and 45 seconds in the Wright Flyer.

4. Carolinas Aviation Museum: On August 21, 2010, the Carolinas Aviation Museum opened in Charlotte. The museum features many historic aircraft and exhibits, including artifacts from the now-famous "Miracle on the Hudson" flight.

5. Earthquake: On August 21, 1879, an earthquake with a magnitude of 5.1 struck the eastern part of North Carolina. Although there were no reports of injuries or significant damage, it is still considered one of the strongest earthquakes to hit the area.