Three Spanish treasure ships, which are carrying pay for the Duke
of Alva's troops in the Netherlands, are driven by storms into
Plymouth. There they are constrained and prevented from carrying on
their journey, Elizabeth's contribution to the Protestant rebel
cause. As a result of this, however, Philip II cuts off relations
with England until 1574.
Citation:
Editors. "Elizabeth I's seizure of Spanish treasure ships severs commerce".
The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=15086, accessed 19 June 2013.]