Fix gap in Ga NCA (1818-1819)

Correct end_date for Haverhill, Massachusetts boundary

Fix gap in Rabun County, Georgia

Fix gap in Greene and Oglethorpe Counties, Georgia

Fix gap in Hamilton and Madison Counties, Florida

Fix gap in Fleming County, Kentucky relation

Fix gap in Floyd County, Kentucky relations

Fix gap in Pike County, Kentucky relations

Fix Kosovo relations

Fix gap in Baden-Württemberg (1967-)

Fix error in United States (1994-)

Fix gaps in 19th century United States relations

Fix gap in Macon County, North Carolina

Fix gap in Egg Harbor City relation

Fix gap in Courland Governorate relation

Add United States relation (1848-1853)

Complete boundary for United States post-Oregon Treaty

Fix gap in Württemberg-Baden (1945-1952) relation

Fix United States relation (1994- )

Fix United States relation (1845-1846)