The National Bank of Arendtsville
| Status: | Inactive as of 12/31/1978 |
| Merger - Without Assistance | |
| Successor Bank: | ACNB Bank |
| Headquarters: | The National Bank of Arendtsville Main Street Arendtsville, PA 17303 |
| Established: | 05/18/1908 |
| FDIC Insurance: | 01/01/1934 |
| FDIC Cert: | #7379 |
| Charter Class: | Commercial bank, national (federal) charter and Fed member, supervised by the Office of the Comptroller of the Currency (OCC) |
History
| 1908-05-18 | Institution established: Original name:The National Bank of Arendtsville | |
| 1978-12-31 | Merged into and subsequently operated as part of Adams County National Bank (7506) in GETTYSBURG, PA | |
| 1987-04-01 | Acquired The Bendersville National Bank (7401) in BENDERSVILLE, PA | |
| 2000-10-01 | Acquired The Farmers National Bank of Newville (7661) in NEWVILLE, PA | |
| 2010-10-04 | Changed primary regulatory agency from COMPTROLLER OF THE CURRENCY to FEDERAL DEPOSIT INSURANCE CORPORATION | |
| 2010-10-04 | Changed institution class to INSURED COMMERCIAL BANKS, STATE, NOT MEMBERS OF THE FRS | |
| 2010-10-04 | Changed name to ACNB Bank (7506) | |
| 2017-07-01 | Acquired New Windsor State Bank (5866) in NEW WINDSOR, MD | |
| 2020-01-11 | Acquired Frederick County Bank (57255) in FREDERICK, MD |