What historical events is roosevelt referencing when he mentions cuba panama and chine?

The Venezuela Crisis of 1902-1903.  

Explanation:

The Panama crisis a naval blockade carried out by Germany, UK and Italy.It lasted from December 1902 to February 1903. The blockade was carried out  because President Cipriano castro has refused to pay foreign debts caused by Venezuelan civil wars.

During the State of Union address in 1904, Theodore Roosevelt announced that US would intervene in the any conflicts between Latin American and European powers instead of allowing the Europeans to make direct claims as it could be a threat to US security.

He said that according to Monroe doctrine he was justified to exercise international police power to end the wrongdoings and unrest in Western Hemisphere.

saint genesius of rome was an actor, a comedian. according to the legend, he decided to fake his baptism, as in a play, before emperor diocletian. it is said that in the middle of his "baptism" -by a fake priest-, a miracle occurred when water came in contact with him, he really turned into a christian, a real one, and because of this he was tortured and executed. his own relics are allegedly held in the church of several churches in rome, namely: san giovanni della pigna, santa susanna di termini, and st. lawrence.