Started the 'blessing of houses'
He is supposed to have introduced the custom of blessing houses with salt and water to protect against evil; however, most scholars, including church historian Louis Duchesne, believe this was a common pagan custom of that time.The Last Supper as part of the Mass
Seventh century authors in The Liber Pontificalis credit Alexander I with having added the Qui Pridie, or Last Supper tradition, into the Mass. Scholars today however believe this wasn't included until much later.Death
The tradition that he was beheaded under Emperor Trajan is believed to be a confusion with another person named St. Alexander, who was not a bishop, but was a martyr under Emperor Hadrian's persecution.Feast Day
His Feast Day is celebrated on May 3rd.98-117: Roman Emperor, Trajan