Public holidays
1401, Brasil, Piauí
| # | Date | Public holiday |
|---|---|---|
| 1 | Thursday, 1 January 1401 | Confraternização Universal |
| 2 | Tuesday, 24 February 1401 | Terça-feira de Carnaval |
| 3 | Friday, 10 April 1401 | Sexta Feira Santa ou Paixão de Cristo |
| 4 | Tuesday, 21 April 1401 | Tiradentes |
| 5 | Friday, 1 May 1401 | Dia do Trabalho |
| 6 | Thursday, 11 June 1401 | Corpus Christi |
| 7 | Monday, 7 September 1401 | Independência do Brasil |
| 8 | Monday, 12 October 1401 | Nossa Senhora Aparecida |
| 9 | Monday, 19 October 1401 | Dia do Piauí |
| 10 | Monday, 2 November 1401 | Finados |
| 11 | Sunday, 15 November 1401 | Proclamação da República Brasileira |
| 12 | Friday, 25 December 1401 | Natal |