Universidad Nacional Autónoma de Honduras.
He became a lawyer on 17 March 1878, held posts in the government of Marco Aurelio Soto.On 31 October 1890 he created a newspaper "El Bien Publico". In November 1891 Bonilla was a candidate for president of Honduras, but lost to Ponciano Leiva. He became a Deputy in the National Congress, and was also the Governor of Tegucigalpa.
He was described as "the hero who, by transforming Honduras, gave it a new conscience".Rafael Heliodoro Valle.
In 1919 he was the delegate for Honduras to the Peace Conference of Versailles. Bonilla, who had divided the Liberal Party when he ran for President in the 1924 Honduras Presidential election, died in 1926.
Following his death, the Liberal Party of Honduras was reunited and nominated Vicente Mejía Colindres.