Unfortunately that’s not the convention. AD centuries start with 1 (eg 1901 to 2000 is the 20th century). https://en.m.wikipedia.org/wiki/20th_century https://

Unfortunately that’s not the convention. AD centuries start with 1 (eg 1901 to 2000 is the 20th century). https://en.m.wikipedia.org/wiki/20th_century https://en.m.wikipedia.org/wiki/20th_century