Breaking down the facts behind From Ancient Kingdoms to Modern Republics: the Evolution of Countries That Start with Z—read on to discover the main takeaways.

While Zambia and Zimbabwe stand as the modern world's only sovereign Z-nations, the twentieth century featured other prominent geopolitical entities carrying the letter. The following record traces how these polities emerged, consolidated, and ultimately transformed.

Territory / Nation Sovereignty Window Successor Status Key Capital or Center
Republic of Zambia 1964, Present Active UN Member State Lusaka
Republic of Zimbabwe 1980, Present Active UN Member State Harare
Republic of Zaire 1971, 1997 Democratic Republic of the Congo Kinshasa
Sultanate of Zanzibar 1963, 1964 United Republic of Tanzania Stone Town