[philman_36]

...the significance of the number 45 during the American Revolution.

"Charlestown, (S. Carolina,) October 4. Saturday last, being the first of October ..."
"45" refers to the issue number of a publication called the North Briton in which the author John Wilkes, member of Parliament, castigates the British government for its policies towards the colonies.

[Bigg Red]

Yep.