Mary Tudor enters London to claim her throne as Queen of England.
The very same day, a royal court which had been firmly Protestant
for the past seven years sees the Roman Mass celebrated there.
Citation:
Editors. "Queen Mary I enters London".
The Literary Encyclopedia. First published 01 November 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=14857, accessed 25 May 2013.]