1966: Quad City libraries formed Quad Cities Libraries in Cooperation (Quad-LINC) to lend materials between local libraries. This group eventually becomes the River Bend Library System.

1967: River Bend Library System established under the authority of the Illinois Library System Act.

1985/86: Quad-LINC catalog combined local library items into one searchable computer database.

August 2003: River Bend Library System chose SIRSI IBistro for their new web-based catalog.

March 9, 2004: SIRSI-based Quad-LINC system became available to library patrons.

2006: River Bend merged with other Illinois systems to form Prairie Area Library System (PALS).

April 2007: Quad-LINC catalog was renamed PrairieCat.

July 2011: Prairie Area Library System merged with other library systems to form RAILS (Reaching Across Illinois Library System).

2011: Twenty Quad City libraries formed RiverShare Libraries to increase local decision making and control of items.

July 2011: Polaris Library System was chosen to host the new RiverShare Catalog.

Nov. 2, 2011: The Polaris-based RiverShare Catalog became available to library patrons.

July 2016: RiverShare libraries in Illinois left RiverShare with the remaining Iowa Libraries continuing to provide full services among their 17 library locations.