improve Montenegro-Serbia border
improve kosovo-Montenegro border
improve Hungary-Ukraine border
Fix gap in Oldenburg (1918-1937)
Conflate ways in the Austria-Germany border
Conflate ways in the Austria-Germany border
Add Saint Croix to U.S. Virgin Islands boundary
Edited U.S. Virgin Islands boundary to match national boundary
improve border of the Kovno Governorate part 2
improve border of the Kovno Governorate
Restore correct end date for Poland (1924-1938)
Correct Strafford County relations pre-1870
Correct Rockingham County relations pre-1870
Add previously unmapped boundary change in Rockingham and Strafford counties