Historical Years
21 A.D., 21 B.C., 1921, 2021, etc.
Read more about this topic: 21 (number)
Famous quotes containing the words historical and/or years:
“The past itself, as historical change continues to accelerate, has become the most surreal of subjects—making it possible ... to see a new beauty in what is vanishing.”
—Susan Sontag (b. 1933)
“In foreign policy you have to wait twenty-five years to see how it comes out.”
—James Reston (b. 1909)