

A Byzantine emperor whose long, troubled reign witnessed the irreversible shrinking of an empire into a collection of cities.
Andronikos II Palaiologos inherited an empire restored to Constantinople but hollowed out and bankrupt. A scholar and theologian more comfortable in a monastery than on a battlefield, his 46-year rule was defined by a series of catastrophic retrenchments. To save money, he disastrously dissolved the Byzantine navy, leaving the coasts open to Turkish and Catalan raiders. His attempts at church union with Rome to secure Western military aid backfired, inflaming domestic religious strife. While he focused on theological debates, the Ottoman Turks established their first permanent European foothold, and Byzantine Anatolia, the empire's heartland, was lost forever. His reign ended in humiliation, overthrown by his own grandson, Andronikos III, after a bitter civil war. He spent his final years as a monk, watching the consequences of his policies set the stage for the empire's eventual collapse.
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He was a devoted patron of astronomy and supported the construction of an observatory in the capital.
He married twice; his second wife, Yolanda of Montferrat, insisted on being called 'Empress of the Romans' (Imperatrix Romaniae).
The civil war against his grandson began after Andronikos II ordered the execution of his grandson's friend over a hunting dispute.
He outlived his son and co-emperor, Michael IX, who died reportedly of grief after the accidental killing of his own younger son.
“I dismantled our fleet to save gold, and watched the Turks take the seas.”