New Year's Day
Saint Sebastian's Day
Carnival Tuesday
Good Friday
Tiradentes Day
Labour Day
Corpus Christi
Independence Day
Our Lady of Aparecida
All Souls' Day
Republic Proclamation Day
Christmas Day
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1865
1866
1867 › 
# Date Public holiday
1Monday, 1 January 1866 New Year's Day
2Saturday, 20 January 1866 Saint Sebastian's Day
3Tuesday, 13 February 1866 Carnival Tuesday
4Friday, 30 March 1866 Good Friday
5Saturday, 21 April 1866 Tiradentes Day
6Tuesday, 1 May 1866 Labour Day
7Thursday, 31 May 1866 Corpus Christi
8Friday, 7 September 1866 Independence Day
9Friday, 12 October 1866 Our Lady of Aparecida
10Friday, 2 November 1866 All Souls' Day
11Thursday, 15 November 1866 Republic Proclamation Day
12Tuesday, 25 December 1866 Christmas Day