What new countries were created as a result od World War 1?

World War I led to the dissolution of several empires and the creation of new countries primarily through the Treaty of Versailles and other treaties. Notable new countries that emerged include Czechoslovakia, Yugoslavia, and Poland. The Austro-Hungarian and Ottoman Empires were dismantled, resulting in the establishment of nations such as Hungary, Austria, and various states in the Balkans and the Middle East. Additionally, Finland, Estonia, Latvia, and Lithuania gained independence from Russia during this period.