Public holidays
1423, USA, Massachusetts
| # | Date | Public holiday |
|---|---|---|
| 1 | Wednesday, 1 January 1423 | New Year's Day |
| 2 | Monday, 20 January 1423 | Martin Luther King Day |
| 3 | Monday, 17 February 1423 | Washington's Birthday |
| 4 | Monday, 21 April 1423 | Patriots' Day |
| 5 | Monday, 26 May 1423 | Memorial Day |
| 6 | Thursday, 19 June 1423 | Juneteenth National Independence Day |
| 7 | Friday, 4 July 1423 | Independence Day |
| 8 | Monday, 1 September 1423 | Labor Day |
| 9 | Monday, 13 October 1423 | Columbus Day |
| 10 | Tuesday, 11 November 1423 | Veterans Day |
| 11 | Thursday, 27 November 1423 | Thanksgiving |
| 12 | Thursday, 25 December 1423 | Christmas |