Argentina

1980 The 75th Anniversary of the La Plata University

1980 National Heroes

1980 Army Day

1980 The 10th Anniversary of the Death of Lieutenant General Pedro Eugenio Aramburu

1980 Buildings

1980 International Stamp Exhibition “BUENOS AIRES 1980” – The 400th Anniversary of Buenos Aires

1980 Journalists’ Day

1980 Rosette

1980 The 100th Anniversary of the Return of General Jose de San Martin’s Remains

1980 Navy Day