A chunk of worked limestone unearthed at a dig came from to the lost throne of Agamemnon, the ancient Greek hero revered by Homer in The Iliad, his epic story of the Trojan War, according to an archaeologist. Christofilis Maggidis, who leads excavations in Mycenae, in the north-eastern Peloponnese, said that the 110lb (50kg) slab was found two years ago in a streambed metres from a palace that collapsed during an earthquake in about 1200 BC. “This is one of the most emblematic and significant finds from the Mycenaean era,” Mr Maggidis said after an elaborate, year-long study of the...