events
Dutch King William I and Pope Leo XII sign concord.
Related Wikipedia articles
William I of the Netherlands
King of the Netherlands from 1815 to 1840
William I was King of the Netherlands and Grand Duke of Luxembourg from 1815 until his abdication in 1840.Source: Wikipedia (CC BY-SA)
Pope Leo XII
Head of the Catholic Church from 1823 to 1829
Pope Leo XII was head of the Catholic Church and ruler of the Papal States from 28 September 1823 to his death in February 1829.Source: Wikipedia (CC BY-SA)