title: Victor Emmanuel II of Italy
context: Victor Emmanuel II (Italian: Vittorio Emanuele II; full name: Vittorio Emanuele Maria Alberto Eugenio Ferdinando Tommaso di Savoia; 14 March 1820 – 9 January 1878) was King of Sardinia from 1849 until 17 March 1861. At that point, he assumed the title of King of Italy and became the first king of a united Italy since the 6th century, a title he held until his death in 1878. The Italians gave him the epithet of Father of the Fatherland (Italian: Padre della Patria). The monument Altare della Patria (or Vittoriano) in Rome was built in his honor.
question: How long did King Victor Emmanuel II reign?
answers: 1849 until 17 March 1861