It was not until 1481, when the descent of the Turks upon Otranto made him tremble for his own safety, that he chose to make peace with these enemies whom he had himself provoked and plotted against.
[1] His 'Confession,' printed by Fabroni, _Lorenzi Medicis Vita_, vol.ii.p.

168, gives an interesting account of the hatching of the plot.

It is fair to Sixtus to say that Montesecco exculpates him of the design to murder the Medici.
He only wanted to ruin them.
[2] It is curious to note how many of the numerous Italian tyrannicides took place in church.

The Chiavelli of Fabriano were murdered during a solemn service in 1435; the sentence of the creed 'Et incarnatus est' was chosen for the signal.

Gian Maria Visconti was killed in San Gottardo (1412), Galeazzo Maria Sforza in San Stefano (1484).