Check out our stamp design competition for 4-17 year olds.This discovery, by the British Master Mariner William Smith, triggered a series of later discoveries, ultimately leading to what we know today as ‘Antarctica’.Ī series of events and activities across the UK, including regions with an Antarctic links, will be taking place to mark this significant anniversary. 2019 marked 200 years since the discovery of what was then named ‘New South Britain’.