On 29 January 1873, Luigi Amedeo of Savoy was born in Madrid – Aosta, a nobleman of the House of Savoy renowned for the numerous expeditions he led at the turn of the 19th and 20th centuries. The Picco Luigi Amedeo, in the Mont Blanc massif, and the Duca Degli Abruzzi Glacier, which leads to the approach to Hidden Peak (also known as Gasherbrum I, 8,068 m), are named after him.