Like other documents issued on the pope's own authority, that is, a motu proprio, it is known by the opening words of its original Latin text.
On occasion the cardinals based in or near Rome entered a conclave hoping to elect a pope before all their colleagues joined them.
[1][a] In 1903 Cardinal James Gibbons of Baltimore was able to attend only because the death of Pope Leo XIII was long anticipated.
[3][b] That same year Cardinal Patrick Francis Moran of Sydney left Australia on 9 July[4] and was not expected to reach Rome until August 20.
[8][c] Cardinals Dougherty and Bégin never expected to arrive in time,[10] learned the outcome of the conclave while still at sea,[8] and reached Rome on 9 February.
[11] In 1922, the College of Cardinals debated whether to start the conclave as required after allowing ten days to elapse after the death of Benedict XV.
[11] On 28 February Pope Pius met with Cardinal O'Connell and said: "There will be no more racing 5,000 miles in a vain endeavor to reach Rome in time for a Conclave.