Before revision: In 1853, gold was discovered in the interior, precipitating border disputes with Brazil and Suriname (these were later settled in 1891, 1899, and 1915, although a small region of the border with Suriname remains in dispute).
After revision: In 1853, gold was discovered in the interior, precipitating border disputes with Brazil and Surinam (these were later settled in 1891, 1899, and 1915, although a small region of the border with Suriname remains in dispute).