| 9 October 1981 |
Italy
|
Palestine
|
Majid Abu Sharar Is Assassinated in Rome
|
| 17 June 1973 |
Italy
|
Palestine
|
Assassination of Abdul Hamid Shibli and Abdul Hadi Nakaa in Rome
|
| 16 October 1972 |
Italy
|
Palestine
|
Wa'el Zuaiter Is Assassinated in Rome
|
| 1 January 1801 |
Italy
|
Astronomy
|
Piazzi discovers Ceres
|
| 1 January 1801 |
Italy
|
Astronomy
|
An apparent planet appears in the asteroid belt
|
| 1 January 1801 |
Italy
|
Astronomy
|
Palermo observations expand the solar-system map
|
| 1 January 1801 |
Italy
|
Astronomy
|
A tiny light begins the history of Ceres
|
| 7 January 1610 |
Italy
|
Astronomy
|
Galileo notes three lights beside Jupiter
|
| 7 January 1610 |
Italy
|
Astronomy
|
Jupiter becomes a telescopic puzzle
|
| 7 January 1610 |
Italy
|
Astronomy
|
Galileo's observing notes mark a turning point
|
| 7 January 1610 |
Italy
|
Astronomy
|
New telescope reveals Jupiter's companions
|
| 15 October 1582 |
Italy
|
Mathematics
|
First day under the Gregorian calendar
|
| 15 October 1582 |
Italy
|
Mathematics
|
Leap-year arithmetic is revised
|
| 15 October 1582 |
Italy
|
Mathematics
|
Date conversion becomes a historical problem
|
| 15 October 1582 |
Italy
|
Mathematics
|
Calendar adoption reveals unequal political power
|
