n 1863, President Abraham Lincoln gave his famous Gettysburg Address. It starts, “Four score and seven years ago....” Four score and seven is equal to 87. How many years are in a score? What year was President Lincoln referring to?
A "score" amounts to 20. Subtract 87 from 1863 to obtain the year in question. It was 1776, which is generally regarded as the birth year of our nation.
