Giorgio Napolitano vs Karl Renner

Napolitano was elected as the 11th President of Italy by the Parliament in a joint session. He succeeded Carlo Azeglio Ciampi, becoming the first former communist to hold the office, a symbol of national reconciliation.

During the European debt crisis, Napolitano appointed technocrat Mario Monti as Prime Minister to lead a government of national unity. This action was seen as a response to the financial emergency and Berlusconi's resignation.

Napolitano reluctantly accepted re-election as President at age 87 to resolve a political deadlock after the 2013 general election. He became the first Italian president to serve a second term, citing institutional stability.

Napolitano resigned at age 89, citing advanced age and the completion of his mandate's key goals. His resignation triggered a new presidential election, which resulted in the election of Sergio Mattarella.

On October 30, 1918, Renner was elected as the first chancellor of the newly proclaimed Republic of German-Austria. He led the provisional government that succeeded the Habsburg monarchy after World War I, overseeing the transition from empire to republic.

As chancellor, Renner signed the Treaty of Saint-Germain-en-Laye on September 10, 1919. The treaty formally ended World War I for Austria, forced the dissolution of the union with Germany, and imposed territorial losses and reparations on the new republic.

On April 29, 1945, Renner was elected as the first president of the re-established Republic of Austria after World War II. He formed a provisional government with Soviet approval, laying the foundation for Austria's post-war independence and democratic reconstruction.