Protasio Tagle was a Mexican soldier

Soldier

A soldier is a member of the land component of national armed forces; whereas a soldier hired for service in a foreign army would be termed a mercenary...

 and politician

Politician

A politician, political leader, or political figure is an individual who is involved in influencing public policy and decision making...

 who lived in the 19th century. He participated in the Reform War

Reform War

The Reform War in Mexico is one of the episodes of the long struggle between Liberal and Conservative forces that dominated the country’s history in the 19th century. The Liberals wanted a federalist government, limiting traditional Catholic Church and military influence in the country...

 as a member of the liberal sector, and later led a republican division during the second French intervention in Mexico

French intervention in Mexico

The French intervention in Mexico , also known as The Maximilian Affair, War of the French Intervention, and The Franco-Mexican War, was an invasion of Mexico by an expeditionary force sent by the Second French Empire, supported in the beginning by the United Kingdom and the Kingdom of Spain...

. He joined general Porfirio Díaz

Porfirio Díaz

José de la Cruz Porfirio Díaz Mori was a Mexican-American War volunteer and French intervention hero, an accomplished general and the President of Mexico continuously from 1876 to 1911, with the exception of a brief term in 1876 when he left Juan N...

 during the Revolution of Tuxtepec (see Plan de Tuxtepec) and, after Díaz won and became the president of Mexico

President of Mexico

The President of the United Mexican States is the head of state and government of Mexico. Under the Constitution, the president is also the Supreme Commander of the Mexican armed forces...

, Tagle was appointed as the Secretary of the Interior

Secretary of the Interior (Mexico)

The Mexican Secretary of the Interior is the head of the Secretariat of the Interior, concerned with the country's internal affairs, the presentation of the president's bills to Congress, their publication and certain issues of national security. The country's main intelligence agency, CISEN,...

. In 1879 there were possibilities for him to be the presidential candidate, but he was defeated by Manuel González and finally retired from political activities.