New Year's Day
Epiphany
Saint Joseph's Day
Maundy Thursday
Good Friday
Easter Monday
Labour Day
Whit Monday
La Rioja Day
Saint James's Day
Assumption
All Saints' Day
Constitution Day
Immaculate Concep.
Christmas Day
  January
  February
  March
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  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1865
1866
1867 › 
# Date Public holiday
1Monday, 1 January 1866 New Year's Day
2Saturday, 6 January 1866 Epiphany of the Lord
3Monday, 19 March 1866 Saint Joseph's Day
4Thursday, 29 March 1866 Maundy Thursday
5Friday, 30 March 1866 Good Friday
6Monday, 2 April 1866 Easter Monday
7Tuesday, 1 May 1866 Labour Day
8Monday, 21 May 1866 Whit Monday
9Saturday, 9 June 1866 La Rioja Day
10Wednesday, 25 July 1866 Saint James the Apostle
11Wednesday, 15 August 1866 Assumption of the Virgin Mary
12Thursday, 1 November 1866 All Saints' Day
13Thursday, 6 December 1866 Spanish Constitution Day
14Saturday, 8 December 1866 Immaculate Conception
15Tuesday, 25 December 1866 Nativity of the Lord