Luxembourg, Kleinbettingen: memorial of 1939 and 1989 commemorating the Treaty of London (1839), which confirmed the independence of the Grand-Duchy of Luxembourg (created in 1815 by the Congress of Vienna).
<a href="//commons.wikimedia.org/wiki/User:Cayambe" title="User:Cayambe">Cayambe</a>
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<span class="int-own-work" lang="en">Own work</span>