Complex sentence: As Nicomedia had been hit by an earthquake only shortly prior to his stay, Hadrian was generous in providing funds for rebuilding, for which he was acclaimed as the chief restorer of the province as a whole.
Split into simpler sentences: As Nicomedia had been hit by an earthquake only shortly prior to his stay, Hadrian was generous in providing funds for rebuilding. Thanks to his generosity he was acclaimed as the chief restorer of the province as a whole.