Crossing the Rubicon

Crossing the Rubicon is

• a phrase connoting the passage of a point of no return. The phrase refers to Julius Caesar's invasion of Ancient Rome, when he led his army across the Rubicon river in violation of law, hence making conflict inevitable.
• title of a 2004 book by Michael Ruppert on September Eleventh
• title of a book by C. Raja Mohan on Indian foreign policy
• title of a book by Julie Kaufman on human-animal relationships
• title of a book by Nicholas Laham on Ronald Reagan's Middle East foreign policy
• title of a book by Nathans Y. Yuan about a Chinese immigrant family