Caesar Crossing the Rubicon Small 320×254 Medium 640×508 Large 1024×813 Download TIFF Original 2400×1906 | (2.7 MB) Description An image of Julius Caesar and his army crossing the Rubicon River, which is located in northeastern Italy. The idiom "Crossing the Rubicon" refers to Julius Caesar passing this river in 49 BC, and means to pass a point of no return. Keywords Caesar, cesar, crossing the rubicon, Italy, Julius Caesar, julius cesar, Roman, Rome, rubicon, rubicon river Galleries Roman Empire Source: Ridpath, John Clark Cyclopedia of Universal History (Cincinnati, OH: The Jones Brothers Publishing CO., 1885)