Region
20th century
1
Aberdeen Proving Ground (Md.)
1
Afghanistan
145
Africa
39
Africa, Central
1
Africa, North
4
Africa, Northeast
1
Africa, Southern
1
Africa, Sub-Saharan
8
Africa, West
5
Alaska
2
Albania
1
Algeria
3
Allemagne
1
Amaknak Island (Alaska)
1
America
1
American Samoa
1
Am⥲ica Latina
1
Anbār (Iraq : Province)
1
Anbār (Province)
2
Angola
1
Ankara
1
Antigua and Barbuda
1
Arab countries
9
Arctic Coast
1
Arctic regions
6
Aregntina
1
Argentina
9
Arizona
1
Asia
20
Asia, Central
3
Atlantic Ocean
1
Atlantic Ocean Region
1
Australia
35
Austria
3
Baghdad
2
Bahamas
1
Balkan Peninsula
21
Baltic Sea Region
1
Baltic States
4
Bangladesh
1
Baṣrah
2
Belarus
1
Belgium
1
Berlin
4
Berlin (Germany)
3
Berlin (Gernany)
1
Bolivia
3
Bosnia and Hercegovina
8
Bosnia and Herzegovina
26
more ...