Conquest of Baghdad by the Mongols 1258. Double-page illustration of Rashid-ad-Din's Gami' at-tawarih. Tabriz (?), 1st quarter of 14th century. Water colors and gold on paper. Original size: 37.4 cm x 29.3 cm (right), 37.2 cm x 29 cm (left). Staatsbibliothek Berlin, Orientabteilung, Diez A fol. 70, p. 4 (right) and 7 (left). Note the pontoon bridges, siege engines, and the refugee on the boat- maybe a high dignitary or even the Caliph himself- in the left part of the right illustration.