AMD Athlon XP 2600+ Microprocessors from AMD. Released August 21, 2002. Wikipedia
Android Oreo (Android O) First preview available March 23, 2017. Officially available in beta May 17, 2017. Name unveiled August 21, 2017. Released August 21, 2017. Website Wikipedia Ars Technica
Galaxy S6 Edge+ Smartphone from Samsung. Released August 21, 2015. Wikipedia
gamescom 2018 August 21-25 at the Koelnmesse in Cologne, North Rhine-Westphalia, Germany. Website Wikipedia
Sergey Brin Co-founded Google with Larry Page. Born August 21, 1973. Website Wikipedia