Public holidays
1980, USA, Delaware
| # | Date | Public holiday |
|---|---|---|
| 1 | Tuesday, January 1, 1980 | New Year's Day |
| 2 | Friday, April 4, 1980 | Good Friday |
| 3 | Monday, May 26, 1980 | Memorial Day |
| 4 | Friday, July 4, 1980 | Independence Day |
| 5 | Monday, September 1, 1980 | Labor Day |
| 6 | Tuesday, November 11, 1980 | Veterans Day |
| 7 | Thursday, November 27, 1980 | Thanksgiving |
| 8 | Friday, November 28, 1980 | Black Friday |
| 9 | Thursday, December 25, 1980 | Christmas |