* 1802 – Mariano Arista, Mexican politician, 42nd President of Mexico ( d. 1855 )

* 1846 – Mexican-American War: President Mariano Paredes of Mexico unofficially declares war on the United States.

* January 11 – Mariano Ospina Rodríguez, President of Colombia ( b. 1805 )

* July 26 – Mariano Arista, President of Mexico ( d. 1855 )

* August 7 – Mariano Arista, President of Mexico ( b. 1802 )

* President Mariano Rajoy ( Spain )

* Eleanor Mariano, retired USN Rear Admiral and physician to the President of the United States at the White House for 9 years.

In November 1973 Frei wrote an historic letter to Mariano Rumor, President of the International Christian Democrats, endorsing the Armed Forces intervention and denouncing what he alleged was an attempt by Allende to impose a Communist dictatorship in Chile.

Mariano Trías of the Magdalo ( originally Magdiwang ) was elected Vice President.

Immediately thereafter President Arce, Mariano Aycinena, Mariano Beltranena, and all the officials who had had some role in the war were sent to prison.

On July 17, 2012, Soraya Saenz de Santamaria, Vice President and Spokesperson of the governmemt, during parlimentary questioning, stated the Popular Party government of President Mariano Rajoy had no intention of following the recommendations of the Expert Commission for the Future of the Valley of the Fallen with respect to the removal of the remains of Francisco Franco from the Valley of the Fallen, the relocation of the remains of Jose Antonio Primo de Rivera within the Basilica or otherwise since the government considers the report to lack validity in that the Commission was “ monocolor ” for which the Popular Party was not invited or involved and that in light of Spain ’ s present economic crisis, discussion and opinion as to the Valley of the Fallen would not be considered at this time.

Image: Mariano Ospina Pérez. jpg | Mariano Ospina Pérez, President of the Republic of Colombia, 1946 – 1950

On March 17, Godoy formally presented the Chilean proposal in a meeting with Peruvian President Mariano Ignacio Prado.

The title of " President of Guatemala " has been the usual title of the leader of Guatemala since 1839, when that title was assumed by Mariano Rivera Paz.

It was alleged by Azula Barrera and Colombian President Mariano Ospina Pérez that Betancourt had supported the armed rising at the 1948 Inter-American Conference that followed the assassination of Gaitán.

Former President of Colombia, Mariano Ospina Pérez

* Mariano Ospina Pérez – Former President of Colombia

In 1946, opening the 5th Central American and Caribbean Games, President Mariano Ospina Pérez reaffirmed the nickname of the city as the " Golden Gate ".

It was rumored, though unconfirmed, that Mariano himself shot Belzu during a fake embrace in order take over as President, even though he acted as a dictator.

Mariano Rajoy was appointed, 28 April, Senior Vice President of Government and Minister of the Presidency.

On December 16, 1936, President Lázaro Cárdenas, in an effort to protect the natural beauty of Pico de Orizaba, created a national park with an area of which included the volcano with the surrounding area and the settlements of Tlachichuca, Ciudad Serdán, La Perla, Mariano Escobedo, and Calcahualco.

Mariano Ospina Pérez, 23rd President of Colombia

Twelve years later, in August 1946, Mariano Ospina Pérez assumed office as the first Conservative party President of Colombia — the beginning of the political dysfunction that degenerated to undemocratic authoritarian rule.

* Mariano Ospina Pérez, President of Colombia 1946-1950

President Carlos Eugenio Restrepo, in 1910, appointed Ospina as the Colombian Ambassador to the United States.

Later, in 1920, during the government of President Marco Fidel Suárez, Ospina was elected by congress as the nation ’ s vice president.

* " Colombia elects Ospina President ".

Ospina was its first President, and the first registered member of the association.

Due to the vast knowledge and experience acquired by Ospina in the coffee industry, as a result of running his own coffee business, he was summoned by the Minister of Industry Francisco J. Chaux and by President Rafael Olaya Herrera to preside over this Congress.

Ospina was elected President of this Fourth Congress.

In 1954, during the election of members of the Board of Directors ( of the National Federation of Coffee Growers of Colombia ), Ospina, who served as President of the Republic from 1946 to 1950, was elected and installed as President of the Board of Directors.

Ospina was elected as the 43rd President of Colombia in 1946.

Nathaniel Weyl documents the assassination claims then made by Rafael Azula Barrera and the President of Colombia Mariano Ospina Pérez that Gaitán was assassinated as part of a Cold War conspiracy led by the USSR to increase Soviet influence in the Caribbean.

The President of Colombia Mariano Ospina Pérez and the Colombian General Secretary Rafael Azula Barrera considered the evidence that the revolver Roa had carried was incapable of accurate fire, that Roa was not thought to have any firearms training, and that no eyewitness saw Roa anywhere near the assassination, that he was first seen between two policemen.

When President Mariano Ospina Rodriguez was overthrown, and the federation proclaimed by the constituent convention of Rio Negro, 4 February 1863, Murillo was appointed minister to Europe, and afterward to the United States.

He was the private secretary of the President Mariano Ospina Pérez ( 1949-1952 ) and three times a minister during the second liberal presidency of Alberto Lleras Camargo ( 1958-1962 ).

In 1949 he was appointed by President Mariano Ospina Pérez as Colombian Minister of Foreign Affairs but declined the offer ; Valencia however accepted to become Minister of Foreign Affairs on May 25, 1953 during the remainder of the administration of Roberto Urdaneta Arbeláez until General Rojas Pinilla took over.

* 1992 – A coup d ' état is led by Hugo Chávez against Venezuelan President Carlos Andrés Pérez.

On September 21, 1956, Rigoberto López Pérez, sneaked into a party attended by the President and shot him in the chest.

Ernesto Pérez Balladares was sworn in as President on September 1, 1994, after an internationally monitored election campaign.

** The National Assembly of Venezuela designates Ramón José Velásquez as successor of suspended President Carlos Andrés Pérez.

* February 4 – In Venezuela, Hugo Chávez leads an unsuccessful coup attempt against President of Venezuela Carlos Andrés Pérez.

* December 24 – Russian SFSR President Boris Yeltsin sends a letter to UN Secretary-General Javier Pérez de Cuéllar, stating that Russia should be a successor to collapsing Soviet Union within the United Nations Organization.

* President José María Pérez ( Bolivia )

** Carlos Andrés Pérez takes office as President of Venezuela.

Independence Day on 21 March 1990, was attended by numerous international representatives, including the main players, the UN Secretary-General Javier Pérez de Cuéllar and President of South Africa F W de Klerk, who jointly conferred formal independence on Namibia.

Among foreign visitors welcomed by Sauvé were King Carl XVI Gustav of Sweden, Queen Beatrix of the Netherlands, King Hussein of Jordan, Pope John Paul II, Secretary-General of the United Nations Javier Pérez de Cuéllar, French president François Mitterrand, Chinese president Li Xiannian, Romanian president Nicolae Ceauşescu, Mother Teresa, and, eventually, President Reagan.

* 20 – Marcos Pérez Jiménez, 87, former President of Venezuela.

The 1st Light Cavalry Regiment, " Glorious Hussars of Junín "-Liberator of Perú formed a personal mounted guard to the Peruvian President, established by President Alan García Pérez in 1987, however by the Ministerial Resolution No 139-2012 / DE / EP of February 2, 2012, signed in the current government of Mr. Ollanta Humala Tasso, is approved and authorized the restoration of the Regiment of Cavalry " Field Marshal Domingo Nieto " Escort of the President of the Republic of Peru as the official escort of the President of the Republic of Peru, giving as main mission to guarantee the security of the President of the Republic and the Government Palace of Perú in Lima.

Alan Gabriel Ludwig García Pérez (; born 23 May 1949 ) was the President of Peru, having won the 2006 elections on 4 June 2006 in a run-off against Union for Peru candidate Ollanta Humala.

But Figueres still criticized U. S. support for the dictators, going so far as to boycott the 1954 inter-American meeting because it was held in Caracas, where President Marcos Pérez of Venezuela held sway .< sup id =" fn_8_back "> 8, </ sup >< sup id =" fn_9_back "> 9 </ sup >