Jânio da Silva Quadros was a Brazilian politician who served as 22nd President of Brazil from 31 January to 25 August 1961, when he resigned from office. He also served as the 24th and 36th mayor of São Paulo, and the 18th governor of the state of São Paulo. Quadros was known for his populist style of government, honesty, and his eccentric behavior. As president, he focused on economic reform and attempted to root out corruption. He also pursued an independent foreign policy, trying to balance relations between the United States and the Eastern Bloc. Although he was elected by a huge margin, his term was marked by uncertainty and political instability culminating in his resignation. This unexpected move caused national chaos, with the presidency being assumed by João Goulart.