The steel bell of the battleship SMS Tegetthoff (launched in 1912) of the former Austrian Navy has been in the Barmherzigenkirche in Graz since 1973.
<a href="//commons.wikimedia.org/wiki/User:Isiwal" title="User:Isiwal">Isiwal</a>
<span class="int-own-work" lang="en">Own work</span>