Template:OpenHistoricalMap/On this day/10/20
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- 1818
- Great Britain and the United States establish an international boundary at 49 degrees latitude north, from Lake of the Woods west to the Rocky Mountains, transferring the northern part of Missouri Territory to Great Britain.
- 1860
- Under the October Diploma, the Kingdom of Croatia returns Međimurje and Fiume to Zala, Hungary, and returns Kutina to Slavonia.
- 1889
- Tobago becomes a ward of the Colony of Trinidad and Tobago.
- 1901
- Collingwood station closes in Melbourne.
- 1914
- A narrow gauge railroad opens near Asmara in Eritrea.
- 2003
- Hartsfield Atlanta International Airport is renamed Hartsfield–Jackson Atlanta International Airport in honor of former mayor Maynard Jackson.
This is a selection of establishments and disestablishments on October 20, based on OpenHistoricalMap data, that automatically appears on the OpenHistoricalMap page on October 20 of each year. This list highlights important changes in the world, as well as more mundane events that demonstrate the project's ambitious tendency toward micromapping history.
Contributing
We appreciate your help in curating these events from OpenHistoricalMap data. Items should be based on fully qualified start_date=* and end_date=* tags, plus any other metadata tagged on features in OpenHistoricalMap. To the extent possible, the list should feature a wide range of years and include events from different continents.