Doodlewatch

The Argentina Bicentennial is a series of celebrations and observances celebrated on May 25, 2010, and throughout the year. They commemorated the 200th anniversary of the May Revolution, a sequence of historical events that led to the Viceroy Baltasar Hidalgo de Cisneros‘ being ousted from office and replaced with the Primera Junta, the first national government.

Bicentennial celebrations began on Friday, May 21, in Buenos Aires, with millions of people in attendance, making it the biggest outdoor festivities Argentina has seen since it celebrated its return to democratic rule after seven years of military dictatorship in 1983

• http://en.wikipedia.org/wiki/Argentina_Bicentennial