When Canadian prime minister John Thompson dies of a sudden heart
attack, he is succeeded in the office by Conservative politician
MacKenzie Bowell.
Citation:
Editors. "MacKenzie Bowell becomes Canadian premier".
The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=19140, accessed 23 May 2013.]