Unification started in 1902 and continued till 1932, when the modern-day Kingdom of Saudi Arabia was proclaimed under the leadership of Ibn Saud, creating what is sometimes referred to as the Third Saudi State.
The Korean Empire was the last independent unified Korean state. It stood until Japan’s annexation of Korea in August 1910.
This Act of the Parliament of the United Kingdom expanded the jurisdiction of the Slave Trade Act 1807 and made the purchase or ownership of slaves illegal within the British Empire, with the exception of “the Territories in the Possession of the East India Company.”
The Slave Trade Act 1807 was an Act of the Parliament of the United Kingdom prohibiting the slave trade in the British Empire.
The Austrian Empire was a Central European multinational great power from 1804 to 1867, created by proclamation out of the realms of the Habsburgs.
Founded by King Prithvi Narayan Shah, a Gorkhali monarch of Rajput origin from medieval India, it existed for 240 years until the abolition of the Nepalese monarchy in 2008.
The Emirate of Diriyah was established in the year 1744 when Muhammad ibn Abd al-Wahhab and Prince Muhammad bin Saud formed an alliance to unify the many states of the Arabian Peninsula.
Starting in the late 17th century, the Ashanti king Osei Tutu and his adviser Okomfo Anokye established the Ashanti Kingdom, with the Golden Stool of Asante as a sole unifying symbol.
The different Betsileo kingdoms (Fandriana, Fisakana, Manandriana, Isandra, etc.) existed independently of each other with oral traditions dating back to the 17th century.
The period between the 16th and the 19th centuries saw the emergence of organized Iron Age kingdoms in Zambia. Four kingdoms were established in this period – the Kazembe-Lunda, the Bemba, the Chewa, and the Lozi.