Pontianak

City · 1771 CE · in Southeast Asia

Capital of Pontianak Kadriyah Sultanate (1772–1827).

Seremban (c. 1775 CE): Capital of Negeri Sembilan (1775–1894).
Quy Nhon (c. 1778 CE): Capital of Tây Son dynasty (1778–1789).
Kota Bharu (c. 1762 CE): Capital of Kelantan (1762–1904).
Castleton (1761 CE): Capital of Vermont Republic (1783–1790).
Georgetown (1781 CE): 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).
Bukittinggi (1784 CE): Capital of Republic of Indonesia (1948–1950).
Corte (c. 1757 CE): Capital of Corsican Republic (1757–1768).

Around the same time and place

Eruption of Mount Tambora (1815 CE): The most powerful volcanic eruption in recorded history, on Sumbawa in April 1815; it killed tens of thousands and caused the 'Year Without a Summer' in 1816.
Founding of modern Singapore (1819 CE): Stamford Raffles established a British trading post at Singapore in 1819, which grew into a major free port.
Surakarta (1745 CE): Capital of Surakarta Sunanate (1745–1829).
Yogyakarta (1756 CE): Capital of Republic of Indonesia (1946–1948).
Bulungan (c. 1734 CE): Capital of Kingdom of Bulungan (1734–1747).