Suppose The American Civil War was a civil war fought in the United States from 1861 to 1865, between the North and the South. The Civil War is the deadliest conflict in the history of the United States, with over 620,000 American casualties. It ended in 1865 with the surrender of the Confederate States.
Can we infer that "The American Civil War lasted for only one month."? Yes, no, or maybe?