|B9 = Byzantine Empire||FR = France||GT = Guatemala||NO = Norway
|-
|BB = Barbados||rowspan=2|G7 = Great Britain<br> (see also E6, IM, S3, UK, W3)||H3 = Hawai'i (as a nation)||O8 = Ottoman Empire
|-
|BS = Bahamas||H6 = Holy Roman Empire||OM = Oman
| ||M6 = Moravia
|-
|rowspan=2|G7 = Great Britain<br> (see also E6, IM, S3, UK, W3)||MC = Monaco
|-
|MM = Myanmar (Burma)