Final answer:
The statement does not provide enough context to determine its truthfulness, as it could reference a historical figure or a fictional character. Without more information, a true or false answer cannot be confidently given.
Step-by-step explanation:
The question "Cesare was found floating dead in a river. True or False?" is ambiguous, as there have been numerous historical figures named Cesare. However, based on the excerpts provided, it seems to reference Ambrose Bierce's short story "An Occurrence at Owl Creek Bridge," where the character Peyton Farquhar hallucinates his escape before being hanged and is not literally found dead in a river. The other excerpts do not directly relate to a character named Cesare, so without additional context, it's not possible to provide a definitive main answer whether this statement is true or false. An explanation is that the statement could be a misinterpretation or a fictional scenario.