2018-1998 = 20 years
leap years 1998-2011
4008
There were 5 years between 1977 and 1998. They were 1980, 1984, 1988, 1992, and 1996.
There are 1998 years in between 10 AD and 2008.
3966
This is 2015, so the year 1916 was 99 years ago. You'd need to specify a date to see if it was actually 100 years or only 99 years ago.
The difference in days between March 1, 1994 and October 3, 1998 is 1677 days. This is equal to 4 years 7 months 2 days.
2012 - 1998 = 14. It has been 14 years since 1998.
2009 - 1998 = 11 years past
19 years.
Too Many Years was created in 1998-08.