Conversation so far:
how many spanish speaking countries are there in the caribbean
The Caribbean Sea is home to three Spanish speaking countries
what are the three spanish speaking countries in the caribbean
The three Spanish speaking countries in the Caribbean are Cuba, Dominican Republic, and Puerto Rico
is spanish spoken in african countries
Equatorial Guinea is the only sovereign African state in which Spanish is an official language
when did equatorial guinea gain its independence from spain
Independence from Spain was gained on 12 October 1968 and the region became the Republic of Equatorial Guinea.

Question: when did the spanish rule begin
Self-contained rewrite: when did the spanish rule begin in equatorial guinea