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Doors Open Ontario presenting sponsor
Doors Open Ontario presenting sponsor
Markham
event information
Saturday, September 26, 2026, from 10 a.m. to 4 p.m.
Beginning in 2003, Doors Open Markham has brought together thousands of people from near and far to celebrate and experience Markham’s rich history and unique sites. Come and explore an amazing mix of heritage buildings, cultural facilities and community spaces.
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