Claim: The 2016 Summer Olympics ended on August 21st.
Evidence: The 2016 Summer Olympics -LRB- Jogos Olímpicos de Verão de 2016 -RRB- , officially known as the Games of the XXXI Olympiad and commonly known as Rio 2016 , was a major international multi-sport event held in Rio de Janeiro , Brazil , from 5 August to 21 August 2016.