What are the specific dual monarchies in the world?

The German Empire in 1871-1918, Japan in 1889-1945 were typical of the dual monarchy, and the Austro-Hungarian Empire from 1867 to 1918.

It is also a typical country of dual monarchy. In the 80s of the 20th century, Jordan, Saudi Arabia.

Kuwait, Nepal, Morocco.

and other countries still retain this system. - Some Arab countries such as the United Arab Emirates.

Saudi Arabia, Qatar.

and other countries are polygamous countries. Countries in Africa, such as Senegal and Eswatini, are still practicing polygamy. There is also the Asian country of Thailand, which is also a country that practices polygamy, and the Mormons in the United States, which not only allow polygamy, but also allow polyandry.

- Lugu Lake, a famous marriage tribe in Yunnan, is no longer lonely Marriage and polyandry, some Tibetan villages in the Yalong River basin of the "Great Shangri-La" have tenaciously preserved the marriage customs of the female culture period. Mormons in the United States polyandry marriage customs in Sri Lanka.

It was once prevalent in history, and it still exists in the central mountainous area. Traditional Tibetan polyandry families have several forms of brotherly co-wifery, friend co-wife, and very rare father-son co-wifery, and some remote areas still exist.

The political systems of dual constitutional monarchies include Jordan, Saudi Arabia, Morocco, etc.

The monarchy and the constitution are in conflict with each other, and only the republic has a constitution. Britain has a king because its king is just a symbol. If you want to ask what kind of country is governed by two powerful leaders, such examples are relatively rare, ancient Rome and Carthage both elected two consuls to govern each year.

The German Empire in 1871 and the German Empire in 1918 and Japan in 1889 and 1945 were typical of the dual monarchy. Now, a few countries such as Jordan, Saudi Arabia, Morocco and others still retain this system. Polygamy:

Senegal, Uganda, Libya, Eswatini, Egypt, Sudan, Ethiopia, Yemen, United Arab Emirates, Qatar, Bahrain, Jordan, Iraq, Saudi Arabia, Oman, Morocco, Somalia Polyandry: Some Arab countries and disturb families, UAE, Saudi Arabia, Qatar, etc. Senegal, Eswatini in Africa, etc.

There are also Mormons in the United States, who not only allow polygamy, but also allow polyandry to be married.