The year 1954 is when computers were first introduced in Italy. In that yea
r, four different projects started virtually at the same time. The four pro
jects were aimed at either constructing computers from scratch or installin
g and making operational computers built in the United States and the Unite
d Kingdom. This article describes the history of these four Italian project
s: the origin of every project, its goals, the purpose of the computers, re
levant technical details of the machines, and the people involved.