Georgetown

City · 1781 CE · in Mesoamerica and the Caribbean

Capital of Guyana (1967–today).

Maputo (1781 CE): Capital of Mozambique (1976–today).
Bangkok (1782 CE): King Rama I founded the Chakri dynasty and moved the Siamese capital to Rattanakosin Island in 1782; Bangkok is now Thailand's capital.
Windsor (c. 1783 CE): Capital of Vermont Republic (1783–1790).
Quy Nhon (c. 1778 CE): Capital of Tây Son dynasty (1778–1789).
Bukittinggi (1784 CE): Capital of Republic of Indonesia (1948–1950).
Reykjavík (1786 CE): Capital of Kingdom of Iceland (1918–1939), Republic of Iceland (1946–today).
Seremban (c. 1775 CE): Capital of Negeri Sembilan (1775–1894).
Washington, D.C. (1790 CE): Federal capital of the United States, created by the Residence Act of 1790 on the Potomac River and designed by Pierre L'Enfant.
Pontianak (1771 CE): Capital of Pontianak Kadriyah Sultanate (1772–1827).
Danville (1792 CE): Capital of Confederate States of America (1861–1865).

Around the same time and place

Simón Bolívar (1783 CE – 1830 CE): Caracas-born leader who led the independence of Venezuela, Colombia, Ecuador, Peru and Bolivia from Spain, known as El Libertador.
Gran Colombia founded (1819–1831 CE): The Congress of Angostura proclaimed a republic uniting Venezuela, New Granada and later Ecuador and Panama, with Bolívar as president; it broke apart by 1831.