Snopes: “Well actually, we’ve determined that the US has only been trying to overthrow Cuba during 8[1] of the 25 decades the USA has existed for, so we’re forced to rate this statement as a perfidious and malicious misrepresenting of the truth and probably evidence of both foreign subversion and treason.”
7 contiguous since the 1950s, and one in the 1890s. ↩︎
deleted by creator
Snopes:
“Well actually, we’ve determined that the US has only been trying to overthrow Cuba during 8[1] of the 25 decades the USA has existed for, so we’re forced to rate this statement as a perfidious and malicious misrepresenting of the truth and probably evidence of both foreign subversion and treason.” 
7 contiguous since the 1950s, and one in the 1890s. ↩︎