September 3 - American Civil War: Confederate General Leonidas Polk invades neutral Kentucky, prompting the state legislature to ask for Union assistance.

The governor of West Virginia once even threatened to have his militia invade Kentucky.

On one occasion, the Governor of West Virginia even threatened to have his militia invade Kentucky.

The initiative to invade Kentucky came primarily from Confederate Maj. Gen. Edmund Kirby Smith, commander of the Department of East Tennessee.

After the U.S. made significant progress in 1943, invading Kentucky, Tennessee, and capturing Camp Determination, La Follette demanded Jake Featherston's surrender.

It was not until Confederates under Braxton Bragg invaded Kentucky that Morgan found himself facing a serious Confederate threat.

That did not mean no one invaded Kentucky and Missouri, however.

Confederate armies had been on the move earlier in the fall, invading Kentucky and Maryland, and although each had been turned back, those armies remained intact and capable of further action.

During the Civil War, General Grant sent his family to live with his parents, starting in January 1862, just before he invaded Western Kentucky and Tennessee with his troops.

However, in September, he was forced to hastily retreat towards the Ohio River as Braxton Bragg invaded Kentucky, cutting off his supply routes.