Public holidays
1874, Brasil, Piauí
| # | Date | Public holiday |
|---|---|---|
| 1 | Thursday, 1 January 1874 | New Year's Day |
| 2 | Tuesday, 17 February 1874 | Carnival Tuesday |
| 3 | Friday, 3 April 1874 | Good Friday |
| 4 | Tuesday, 21 April 1874 | Tiradentes Day |
| 5 | Friday, 1 May 1874 | Labour Day |
| 6 | Thursday, 4 June 1874 | Corpus Christi |
| 7 | Monday, 7 September 1874 | Independence Day |
| 8 | Monday, 12 October 1874 | Our Lady of Aparecida |
| 9 | Monday, 19 October 1874 | Piauí Day |
| 10 | Monday, 2 November 1874 | All Souls' Day |
| 11 | Sunday, 15 November 1874 | Republic Proclamation Day |
| 12 | Tuesday, 8 December 1874 | Immaculate Conception |
| 13 | Friday, 25 December 1874 | Christmas Day |