1-ST: show the years for the desired decade (click on the [+] sign);
2-ND: select the desired year of that decade;
3-RD: select the desired month from the months displayed for that year at right.

Select by Date
Decade of 1861-1870
Decade of 1871-1880
Decade of 1881-1890
Decade of 1891-1900
Decade of 1901-1910
Decade of 1911-1920
Decade of 1921-1930
Decade of 1931-1940
Decade of 1941-1950
Decade of 1951-1960
Decade of 1961-1970
Decade of 1971-1980
Decade of 1981-1990
Decade of 1991-2000
Decade of 2001-2010
Decade of 2011-2020