List of Famous people who are 31

Jan Tratnik is a Slovenian cyclist, who currently rides for UCI WorldTeam Team Bahrain Victorious. He was named in the startlist for the 2017 Giro d'Italia. In July 2019, he was named in the startlist for the 2019 Tour de France.

Marc Goos is a Dutch racing cyclist who rode most recently for the UCI ProTour team, LottoNL–Jumbo. He competed in the 2014 Giro d'Italia and finished in 35th position.

The month of August 2019 in the 2019–2020 Hong Kong protests saw a continuation of protests throughout the city. Several of the peaceful daytime protests were held by social groups such as families, the elderly, and various professions. In many instances, peaceful protests occurs during the day, turning increasingly violent at night. In North Point and Tsuen Wan, white- or blue-shirted armed groups were attacking protesters, but unlike in the Yuen Long violence of 21 July they were beaten back in North Point. Protesters aimed at drawing international attention through methods such as extended sit-ins at the airport. In many occasions, an eye injury of a female protester who had served as frontline medical staff became a symbol of the protests. At the airport protests, a mainland journalist was violently tackled by protesters who did not reveal his identity to the protesters. Protesters later apologised for this incident, reducing tensions and satisfying some pro-establishment lawmakers. The Prince Edward station attack on 31 August proved to be a further landmark event in the protests.