Chávez's followers commemorate 21st anniversary of failed coup
Vice-President Nicolás Maduro promised a civilian-military surprise
The celebration will begin after a special ceremony at the Military History Museum, at 23 de Enero neighborhood.
Chávez's followers are to participate in rallies in different places in west and downtown Caracas.
The celebration includes a "civilian-military surprise," said Executive Vice-President Nicolás Maduro on Saturday.
The can of tuna, formerly a fairly normal pantry staple, has long been missing from stores in Venezuela, especially the domestic brands. When tuna cans, imported or domestic, do occasionally show up on store shelves, prices have increased several fold.