The Holy Year of Mercy will end November 20, 2016, proclaimed by Pope Francis, who from the beginning of his pontificate, had emphasized that this is the time of Mercy.
The first Holy Year was proclaimed in 1300 by Pope Boniface VIII, the ordinary Jubilees have predetermined frequency (every 25 years) while the Extraordinary were ninety in all, including that of 1933 proclaimed by Pius XI for the XIX centenary of Redemption and that of 1983 proclaimed by John Paul II