Region
1815-1870
1
Austria
1
Benelux countries
2
Boston
1
England
3
Europe
3
France
14
Germany
11
Great Britain
1
History
1
Holy Roman Empire
3
Ireland
2
Italy
13
Leipzig
1
Massachusetts
1
Papal States
12
Rome (Italy)
2
Russia
1
San Marino
1
Solothurn
1
Spain
1
Switzerland
2
Trento
1
United States
4
Vatican City
4
Venice
2
Venice (Italy)
3