That combination of a year where Friday the 13th happens three times in January, April, and July only happens on leap years.
Alfred Packer Convicted of Cannibalism 1883
On this day in History, Cannibal Alfred Packer is paroled on Jan 07, 1901. Learn more about what happened today on History.
出典：Cannibal Alfred Packer is paroled - Jan 07, 1901 - HISTORY.com
Alfred Packer convicted of cannibalism... April 13 in History
出典：Alfred Packer convicted of cannibalism... April 13 in History
On May 13, 1917, Lucia dos Santos, Francisco, and Jacinta Marto were, respectively, ten, nine, and seven years old. As we have said, the three children lived in Aljustrel, a hamlet of the township of Fatima.
出典：First Apparition of Our Lady of Fatima - May 13, 1917 | ANF Articles