This <a href="//commons.wikimedia.org/wiki/Canada" title="Canada">Canadian</a> work is in the <a href="https://en.wikipedia.org/wiki/public_domain" class="extiw" title="wikipedia:public domain">public domain</a> in Canada because its copyright has expired due to one of the following:
<dl><dd><b>1.</b> it was subject to <a href="https://en.wikipedia.org/wiki/Crown_copyright" class="extiw" title="wikipedia:Crown copyright">Crown copyright</a> and was first published more than 50 years ago, or</dd></dl><p>it was <i>not</i> subject to Crown copyright, and
</p>
<dl><dd><b>2.</b> it is a photograph that was created prior to January 1, 1949, or</dd>
<dd><b>3.</b> the creator died prior to January 1, 1972.</dd></dl>
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/48096488@N03">Toronto History</a> from Toronto, Canada
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/torontohistory/43485153382/">Leaside airdrome, planes and hangars</a>