Final answer:
Argentina honors the Tango on December 11, celebrating National Tango Day, in recognition of Carlos Gardel and Julio de Caro, significant contributors to the Tango genre.
Step-by-step explanation:
The dance that Argentina honors on December 11, the birthday of two notable figures, Carlos Gardel and Julio de Caro, is the Tango. This date has been declared National Tango Day in Argentina in recognition of these important contributors to the genre. Carlos Gardel is often referred to as one of the most prominent figures in the history of Tango, and Julio de Caro was a renowned Tango musician and orchestra leader. The music and dance of the Tango are deeply embedded in Argentine culture and identity, and December 11th serves as a celebration of this rich artistic expression.