Public holidays
1691, Portugal, Feriados Nacionais
| # | Date | Public holiday |
|---|---|---|
| 1 | Monday, 1 January 1691 | Ano Novo |
| 2 | Friday, 13 April 1691 | Sexta-Feira Santa |
| 3 | Wednesday, 25 April 1691 | Dia da Liberdade |
| 4 | Tuesday, 1 May 1691 | Dia do Trabalhador |
| 5 | Sunday, 10 June 1691 | Dia de Portugal |
| 6 | Thursday, 14 June 1691 | Corpo de Deus |
| 7 | Wednesday, 15 August 1691 | Assunção |
| 8 | Friday, 5 October 1691 | Implantação República |
| 9 | Thursday, 1 November 1691 | Todos os Santos |
| 10 | Saturday, 1 December 1691 | Independência |
| 11 | Saturday, 8 December 1691 | Imaculada Conceição |
| 12 | Tuesday, 25 December 1691 | Natal |