As Ecumenical Patriarch of Constantinople, Bartholomew I is "primus inter pares" (first among equals) among the patriarchs of the Eastern Orthodox Church and is its spiritual leader.

The device al-Biruni devised is the progenitor of the modern density bottle that was reinvented in the 18th century.

Constantinople. The City of the World’s Desire. The largest city in Christendom for nearly a thousand years. Surprisingly few remember this grand city, capital of two of history’s greatest ...