Complex sentence: Aftimus introduced this Ottoman revivalist style from Istanbul and from the Chicago World's Columbian Exposition to Beirut by the end of the 19 th century; his architectural influence would later dominate Beirut's public constructions in the last two decades of Ottman rule over Lebanon.
Split into simpler sentences: Aftimus introduced this Ottoman revivalist style from Istanbul and from the Chicago World's Columbian Exposition to Beirut by the end of the 19 th century. Aftimus' architectural influence would dominate Beirut's public constructions in the last two decades of Ottman rule over Lebanon.