Laredo

City · 1755 CE · in North America

Capital of Republic of the Rio Grande (1840–1840).

Yogyakarta (1756 CE): Capital of Republic of Indonesia (1946–1948).
Corte (c. 1757 CE): Capital of Corsican Republic (1757–1768).
Mandalay (c. 1752 CE): Capital of Konbaung Dynasty (1752–1819).
Kuwait City (1752 CE): Capital of State of Kuwait (1961–1989), Kuwait (1991–today).
Amarapura (c. 1752 CE): Capital of Konbaung Dynasty (1752–1819).
Shwebo (1752 CE): Capital of Konbaung Dynasty (1752–1819).
Port-au-Prince (1749 CE): Capital of Haiti (1792–1802), Empire of Haiti (1805–1806), Republic of Haiti (1936–today).
Castleton (1761 CE): Capital of Vermont Republic (1783–1790).
Kota Bharu (c. 1762 CE): Capital of Kelantan (1762–1904).
Riyadh (1746 CE): Capital of Emirate of Nejd (1824–1891), Kingdom of Hejaz and Nejd (1926–1932), Kingdom of Saudi Arabia (1936–today).

Around the same time and place

Manila galleon (eastern Pacific) (1565–1815 CE): The American end of the Manila galleon route: eastbound galleons made landfall off California and coasted south to Acapulco, from where westbound galleons sailed with the trade winds towards Guam and Manila.
Louisiana Purchase (1803 CE): The United States bought the vast Louisiana territory from Napoleonic France, roughly doubling the size of the country.
New Orleans (1718 CE): Founded by the French near the mouth of the Mississippi River; a major port whose Creole culture gave rise to jazz.
Miguel Hidalgo y Costilla (1753 CE – 1811 CE): Catholic priest who launched the Mexican War of Independence; captured and executed in 1811, he is honoured as the Father of the Nation.