Fix gap in Flatow

Fix gap in Konitz

Fix Woodhaven (1961-1967)

Fix Cherokee Nation

Fix gap in Cheyenne and Arapaho Tribes

Fix gap in Cherokee Outlet

Fix gap in Noble County, Oklahoma

Fix Clackamas County relations

Fix end_date for German Reich (1941-1945)

Fix a small error in the Louisiana-Texas border

Correct Brandenburg relations (add border with Berlin)

Fix gap in Niederung

Fix Graudenz relations

Fix gap in Neidenburg

Fix gap in Franzburg and Grimmen

Fix gap in Braunschweig

Fix gap in Ziegelhausen

Fix gap in Kirchheim

Fix gap in Brandenburg

Fix gap in Mecklenburg (1701-1868)