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How many working days in year 1911?

Here is the detail of the calculation:

Because 1911 is not a leap year, it has 365 days.

Let's remove 52 saturdays and 53 sundays. It remains 260 days.

Now, let's remove 11 public holidays that do not fall during a weekend and we obtain 249 working days in 1911.

Here is the list of these 11 public holidays:

1. Terça-feira de Carnaval : вторник, 28 февраль, 1911
2. Sexta Feira Santa ou Paixão de Cristo : пятница, 14 апрель, 1911
3. Tiradentes : пятница, 21 апрель, 1911
4. Dia do Trabalho : понедельник, 1 май, 1911
5. Corpus Christi : четверг, 15 июнь, 1911
6. Independência do Brasil : четверг, 7 сентябрь, 1911
7. Nossa Senhora Aparecida : четверг, 12 октябрь, 1911
8. Finados : четверг, 2 ноябрь, 1911
9. Proclamação da República Brasileira : среда, 15 ноябрь, 1911
10. Emancipação do Paraná : вторник, 19 декабрь, 1911
11. Natal : понедельник, 25 декабрь, 1911

And here is the public holiday falling on a weekend:

1. Confraternização Universal : воскресенье, 1 январь, 1911