Timeline comparsion

Plainfield

1833 - 1834
1866 - 1867
1867 - 1868
1868 - 1869
1869 - 1870
1871 - 1872
1874 - 1875
1879 - 1880
1893 - 1894
1919 - 1920

Iowa

1833 - 1834
1854 - 1855
1862 - 1863
1880 - 1881
1896 - 1897
1930 - 1931
1940 - 1941
1970 - 1971
1980 - 1981
1990 - 1991