Select the word which means the same as the group of words given.The date on which an event took place in a previous year

Select the word which means the same as the group of words given.The d

1.	Select the word which means the same as the group of words given.The date on which an event took place in a previous year
A.	anniversary
B.	century
C.	millennium
D.	decade
Answer» B. century