Before revision: The current gateway cities began establishing themselves as important Antarctic supply hubs around the turn of the 20th Century when several of the most notable Heroic Age expeditions first traveled through them, beginning with the Southern Cross Expedition in 1898.
After revision: BritishThe current gateway cities began establishing themselves as important Antarctic supply hubs around the turn of the 20th Century when several of the most notable Heroic Age expeditions first traveled through them, beginning with the Southern Cross Expedition in 1898.