%%title%% %%sep%% %%primary_category%% %%sep%% %%sitename%% %%sep%% On 5 May, the world celebrates World Portuguese Language Day, marking the cultural richness and diversity of the nine countries with Portuguese as their official language: Angola, Brazil, Cape Verde, Guinea Bissau, East Timor, Equatorial Guinea, Mozambique, Portugal and Sao Tome and Principe.