Why Is There A Tiny Bit Of Italy Inside Switzerland?

In one corner of southern Switzerland, there is a tiny piece of Italy that seems to have accidentally broken off from the rest of the country. So what is it doing there? I travelled to beautiful Lake Lugano to see for myself... INSTA - https://www.instagram.com/the.tim.traveller TWIT - https://twitter.com/TheTimTraveller FACE - https://www.facebook.com/TheTimTraveller/ IMAGE CREDITS Mario Botta by Sanyam Bahga - https://commons.wikimedia.org/wiki/File:MarioBotta.JPG Chess pieces by Michael Maggs - https://commons.wikimedia.org/wiki/File:Chess_piece_-_White_pawn.JPG Milanese Arch by Filip Maljković - https://commons.wikimedia.org/wiki/File:Triumphal_arch_in_Milan_(8870285141).jpg The Venetian Las Vegas by Stefan Wagener - https://commons.wikimedia.org/wiki/File:Las_Vegas_%2822096749969%29.jpg "Venetian" gondolier by Martijn Nijenhuis - https://www.flickr.com/photos/martijnnijenhuis/5062323364 Croissant by Skopp - https://commons.wikimedia.org/wiki/File:Croissant,_whole.jpg "Paris" by Ken Lund - https://www.flickr.com/photos/kenlund/66688746 Swissminiatur by Ilario - https://commons.wikimedia.org/wiki/File:Swiss_miniatur_1.jpg