Who was sworn in as the Prime Minister of Italy on 22nd February 2014?

The correct choice is: “Matteo Renzi”

Matteo Renzi, the 39-year-old leader of the Democratic Party and former Mayor of Florence, was sworn in as Italy's Prime Minister on 22 February 2014, becoming the youngest person to hold the post. He replaced “Enrico Letta”, who had resigned.

“Giorgio Napolitano” was then the President of Italy (who swore Renzi in), and “Oleksandr Turchynov” became acting President of Ukraine in February 2014.