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How many working days in year 1913?
Here is the detail of the calculation:
Because 1913 is not a leap year, it has 365 days.
Let's remove 52 saturdays and 52 sundays. It remains 261 days.
Now, let's remove 11 public holidays that do not fall during a weekend and we obtain 250 working days in 1913.
 Here is the list of these 11 public holidays: 
 
 1. New Year's Day : середа, 1 січень, 1913 
2. Good Friday : п'ятниця, 21 березень, 1913 
3. Easter Monday : понеділок, 24 березень, 1913 
4. Victoria Day : понеділок, 19 травень, 1913 
5. Canada Day : вівторок, 1 липень, 1913 
6. August Civic Holiday : понеділок, 4 серпень, 1913 
7. Labour Day : понеділок, 1 вересень, 1913 
8. Thanksgiving : понеділок, 13 жовтень, 1913 
9. Remembrance Day : вівторок, 11 листопад, 1913 
10. Christmas : четвер, 25 грудень, 1913 
11. Boxing Day : п'ятниця, 26 грудень, 1913 
And here is the public holiday falling on a weekend:
1. National Aboriginal Day : субота, 21 червень, 1913