Agustín Pedro Justo Rolón (February 26, 1876 – January 11, 1943) was President of Argentina from February 20, 1932, to February 20, 1938. He was a military officer, diplomat, and politician, and was president during the Infamous Decade. Justo took part in the coup of 1930, becoming president two years later thanks to widespread electoral fraud. His presidency was part of the period known as the Infamous Decade, which lasted from 1930 until 1943. He established the country's central bank and introduced a nationwide income tax.