Providing a year would be most helpfull. There are a great many things that have happened in Canada in it's history on October 17th. Such as the Official Languages Bill of 1968, World Day to overcome Poverty in 2005, Canadian TV begins live coverage of the Parliament in 1977, and so on. The more specific your question, the better your answer. How it is stated I don't even know a category, Politics, Sports, Science, etc.
17th October 1998 was a Saturday.
17th October 1979 was a Wednesday.
October 17th, 1992 fell on a Saturday.
17th October
17 october**October 17th,1972**
October 17th 1952 was a Friday.
No, October 17th 1952 was a Friday.
A Friday.
Monday
October 17th
17th of October
October 17th