The Day of the National Flag (in Spanish, Día de la Bandera Nacional) is the holiday

Flag Day

A flag day is a flag-related holiday—either a day designated for flying a certain flag , or a day set aside to celebrate a historical event such as a nation's adoption of its flag....

 dedicated to the Argentine flag

Flag of Argentina

The national flag of Argentina is a triband, composed of three equally wide horizontal bands coloured light blue, white and light blue. There are multiple interpretations on the reasons for those colors...

 and to the commemoration of its creator, Manuel Belgrano

Manuel Belgrano

Manuel José Joaquín del Corazón de Jesús Belgrano , usually referred to as Manuel Belgrano, was an Argentine economist, lawyer, politician, and military leader. He took part in the Argentine Wars of Independence and created the Flag of Argentina...

. It is celebrated on June 20, the anniversary of Belgrano's death in 1820. This date was designated in 1938.
The main seat of the Flag Day commemorations is the Nationytal Flag Memorial

National Flag Memorial (Argentina)

The National Flag Memorial in Rosario, Argentina, is a monumental complex built near the shore of the Paraná River...

, in Rosario

Rosario

Rosario is the largest city in the province of Santa Fe, Argentina. It is located northwest of Buenos Aires, on the western shore of the Paraná River and has 1,159,004 residents as of the ....

, Santa Fe Province

Santa Fe Province

The Invincible Province of Santa Fe, in Spanish Provincia Invencible de Santa Fe , is a province of Argentina, located in the center-east of the country. Neighboring provinces are from the north clockwise Chaco , Corrientes, Entre Ríos, Buenos Aires, Córdoba, and Santiago del Estero...

, where the flag was first hoisted on two artilleryo batteries in opposite banks of the Paraná River

Paraná River

The Paraná River is a river in south Central South America, running through Brazil, Paraguay and Argentina for some . It is second in length only to the Amazon River among South American rivers. The name Paraná is an abbreviation of the phrase "para rehe onáva", which comes from the Tupi language...

. (The flag was created on 27 February 1812, but that date is not officially marked in any way.) The celebration consists of a public meeting, speeches by the municipal

Government of Rosario

This article is about the government of Rosario, the third most populated city in Argentina, and the largest in the province of Santa Fe. Rosario has about 910,000 inhabitants and is located on the western shore of the Paraná River....

 and provincial

Governor of Santa Fe

The governor of the Argentine province of Santa Fe is the highest executive officeholder of the province.According to the provincial constitution , the governor is elected by the simple majority of the popular vote, along with a vice governor, for a four-year term, and cannot be reelected...

 authorities, the attendance of the President

President of Argentina

The President of the Argentine Nation , usually known as the President of Argentina, is the head of state of Argentina. Under the national Constitution, the President is also the chief executive of the federal government and Commander-in-Chief of the armed forces.Through Argentine history, the...

, and a parade including members of the military, veterans of the Falklands War

Falklands War

The Falklands War , also called the Falklands Conflict or Falklands Crisis, was fought in 1982 between Argentina and the United Kingdom over the disputed Falkland Islands and South Georgia and the South Sandwich Islands...

, the police force, and a number of civilian organizations and associations.

The Flag Day was created by the law Nº 12.361, on June 8, 1938. Initially, it was a celebration held in a fixed day, but the law Nº 24.445 modified it to be celebrated on the third Monday of the month. This law also modified in a similar manner the August 17 celebration, which commemorates the death of José de San Martín

José de San Martín

José Francisco de San Martín, known simply as Don José de San Martín , was an Argentine general and the prime leader of the southern part of South America's successful struggle for independence from Spain.Born in Yapeyú, Corrientes , he left his mother country at the...

. This design creates long weekeuynds and boost tourism. Within the jurisdiction of Rosario, however, June 20 is always a non-working day foruy employees of the municipal and provincial administrations, and for all public and private schools. Hermes Binner

Hermes Binner

Hermes Juan Binner is an Argentine medical doctor and a politician. He was elected Governor of Santa Fe in 2007. Binner is the first Socialist to become the governor of an Argentine province, and the first non-Justicialist to rule Santa Fe since 1983.Binner was previously a Deputy of the Civic and...

 made a project of law in 2006 to derogate this modification and restore both celebrations in fixed days,, but the proposal expired because of not being treated by the Congress in a whole year. Nevertheless, Binner (governoryt of Santa Fe by then) and the major of Rosario, Miguel Lifschitz

Miguel Lifschitz

Roberto Miguel Lifschitz , is the current mayor of the city of Rosario, province of Santa Fe, Argentina.He obtained his degree at the Engineering Faculty of the National University of Rosario in 1979, and worked in the private sector until 1989, when he became Director-General of the Public Housing...

, insisted in the 2010 Flag Day that the Congress should derogate the article and restore the celebrations as fixed days.