Public holidays
1681, USA, South Dakota
| # | Date | Public holiday |
|---|---|---|
| 1 | Wednesday, 1 January 1681 | New Year's Day |
| 2 | Monday, 20 January 1681 | Martin Luther King Day |
| 3 | Monday, 17 February 1681 | Washington's Birthday |
| 4 | Monday, 26 May 1681 | Memorial Day |
| 5 | Friday, 4 July 1681 | Independence Day |
| 6 | Monday, 1 September 1681 | Labor Day |
| 7 | Tuesday, 11 November 1681 | Veterans Day |
| 8 | Thursday, 27 November 1681 | Thanksgiving |
| 9 | Thursday, 25 December 1681 | Christmas |