News: President Milei promised "happy times ahead" when marking his first year in office, Brazil's Lula undergoes head operation, outages in Ecuador soon to be over, government says

Sports: League candidate Vélez face Central Córdoba for the Copa Argentina final.

Music: Carlos Gardel and Julio de Caro, on the occasion of the anniversary of both their births, the reason for December 11 being "Tango Day".