What are Examples of countries that disintegrated?

Examples of countries that disintegrated include the Soviet Union, which dissolved in 1991 into 15 independent republics, including Russia, Ukraine, and the Baltic states. Yugoslavia disintegrated in the 1990s, leading to the formation of several nations such as Croatia, Bosnia and Herzegovina, and Serbia. Czechoslovakia peacefully split into the Czech Republic and Slovakia in 1993. Each of these cases involved complex political, ethnic, and social factors contributing to their disintegration.