Lincoln was assassinated in 1865. It is now 2009. 2009 minus 1865 equals: 144 years.
2009 minus 1970 is 39
11000-2009=
2009 - 1867 = 142
1973 - 2009 = -36
2009-123=1886
2009 - 1987 = 22
2009 - 1924 = 85
2009 - 1985 = 24
2009 - 1290 = 719
2009 - 1992 = 17.
2009 - 1929 = 80