| 1826 c. | A subscription library existed in Greenville Village. |
| 1865 | An active library society existed. |
| 1897 | Neblett Free Library established. |
| 1905 | Village Improvement Society (women) opened library in Fountain Inn. |
| 1916 | Greenville County Library incorporated (dissolved in 1923). |
| 1921 | Greenville Public Library established (dissolved in 1923). Simultaneously, Phyllis Wheatly Branch was opened for blacks. |
| 1922 | Greenville Public Library became tax supported (as public institution incorporation was unnecessary.) |
| 1923 | Greenville Public Library became tax supported (as public institution incorporation was unnecessary.) |
| 1924 | County mobile library service began, privately funded. |
| 1925 | First rural bookmobile. |
| 1926 | Green branch opened. |
| 1927 | One mil county tax passed to support mobile library service. |
| 1927 | County department of public (city) library organized, known as GreenvilleCounty Library. |
| 1932 | "So Big" branch opened. |
| 1940 | Library moved into own building. |
| 1941 | Report showed library had 225 outlets. |
| 1952 | McBee Avenue branch opened. |
| 1961 | Greenville County Library established by an Act of Legislature. |
| 1961 | Branches opened in Traveler's Rest and Mauldin. |
| 1970 | New building dedicated. |