Short answers, pulled from the story.
Workers digging the foundations for Emperor Augustus's villa in the first century AD unearthed giant bones and stone weapons. Modern analysis suggests these were fossils of large extinct mammals rather than evidence of giants.
Emperor Tiberius moved permanently to Capri in AD 27 governing the Roman Empire from the island until his death in AD 37. He constructed twelve villas according to the historian Tacitus including the famous Villa Jovis.
Admirals Barbarossa Hayreddin Pasha and Turgut Reis captured the island for the Ottoman Empire in 1535 and 1553 respectively. These conquests marked periods of foreign domination and instability for the local population.
The highest point is Monte Solaro at 589 meters above sea level dominating the western part known as Anacapri. The terrain consists primarily of limestone and sandstone with steep cliffs dominating much of the coastline.
Lenin was hosted by Gorky in 1908 while staying at Villa Behring where he lived from 1909 to 1911. A monument to Lenin by Giacomo Manzù was erected in 1970.