The Samanid Mausoleum is a mausoleum located in the northwestern part of Bukhara, Uzbekistan, just outside its historic center. It was built in the 10th century CE as the resting place of the powerful and influential Islamic Samanid dynasty that ruled the Samanid Empire from approximately 900 to 1000. It contained three burials, one of whom is known to have been that of Nasr II. The mausoleum is considered one of the iconic examples of early Islamic architecture and is known as the oldest funerary building of Central Asian architecture. The Samanids established their de facto independence from the Abbasid Caliphate in Baghdad and ruled over parts of modern Afghanistan, Iran, Uzbekistan, Tajikistan, and Kazakhstan. It is the only surviving monument from the Samanid era, but American art historian Arthur Upham Pope called it the "one of the finest in Persia". Perfectly symmetrical, compact in its size, yet monumental in its structure, the mausoleum not only combined multi-cultural building and decorative traditions, such as Sogdian, Sassanian, Persian and even classical and Byzantine architecture, but incorporated features customary for Islamic architecture – a circular dome and mini domes, pointed arches, elaborate portals, columns and intricate geometric designs in the brickwork. At each corner, the mausoleum's builders employed squinches, an architectural solution to the problem of supporting the circular-plan dome on a square. The building was buried in silt some centuries after its construction and was revealed during the 20th century by archaeological excavation conducted under the USSR. During the 10th century, Samanids' capital, Bukhara, was a major political, trade and cultural center that patronized science, architecture, medicine, arts and literature. Cultural and economic prosperity was fueled by Samanids' strategic positioning along the trade routes between Asia, Middle East, Russia and Europe. It is believed that the Mausoleum was built to emphasize the dynastic power of the Samani family and to link its history with their newly established capital.