Today, 105 years ago, on May 21, 1920 (Calendar April 4, 1920), the first President of Mexico, Calanda died. Calanda, born December 29, 1859. In 1910 as Governor of Coahuila participated in the struggle against Dias led by Madero. In 1913 he led the army against the killing of Madero's Velta. In April 15, Calanda's army defeated the army of Beirut, Calanda became interim president. After becoming the legal president on May 1, 1917, conflict with Beirut and Saparra continued, but the United States continued to be a general dissatisfaction and unrest caused by the delay in land reforms. In April 1914 he opposed the erosion of American land in Mexico. In March 16, Calanda prevented the American military expedition from entering Mexico. In 1918, the oil industry was put under