thumb|250px|[[Nakhal Fort, one of the best-preserved forts in Oman.]]

Oman is a site of pre-historic human habitation, stretching back over 100,000 years. The region was impacted by powerful invaders, including other Arab tribes, Portugal and Britain. Oman, at its height, held territory that ranged from the Persian Gulf all the way south to the island of Madagascar, including the island of Zanzibar and the city of Gwadar.

Prehistoric record

right|thumb|Archaeologists excavating a Middle Stone Age complex in the [[Dhofar Mountains]]

In Oman, a site was discovered in 2011 containing more than 100 surface scatters of stone tools belonging to the late Nubian Complex, known previously only from archaeological excavations in Sudan. Two optically stimulated luminescence age estimates place the Arabian Nubian Complex at approximately 106,000 years old. This provides evidence for a distinct Middle Stone Age technocomplex in southern Arabia, around the earlier part of the Marine Isotope Stage 5.

The hypothesized departure of humankind from Africa to colonise the rest of the world involved them crossing the Straits of Bab-el-Mandeb in the southern Red Sea and moving along the green coastlines around Arabia and thence to the rest of Eurasia. Such crossing became possible when sea level had fallen by more than 80 meters to expose much of the shelf between southern Eritrea and Yemen; a level that was reached during a glacial stadial from 60 to 70 ka as climate cooled erratically to reach the last glacial maximum. From 135,000 to 90,000 years ago, tropical Africa had megadroughts which drove the humans from the land and towards the sea shores, and forced them to cross over to other continents. The researchers used radiocarbon dating techniques on pollen grains trapped in lake-bottom mud to establish vegetation over the ages of the Malawi lake in Africa, taking samples at 300-year-intervals. Samples from the megadrought times had little pollen or charcoal, suggesting sparse vegetation with little to burn. The area around Lake Malawi, today heavily forested, was a desert approximately 135,000 to 90,000 years ago.

Luminescence dating is a technique that measures naturally occurring radiation stored in the sand. Data culled via this methodology demonstrates that 130,000 years ago, the Arabian Peninsula was relatively warmer which caused more rainfall, turning it into a series of lush habitable land. During this period the southern Red Sea's levels dropped and was only wide. This offered a brief window of time for humans to easily cross the sea and cross the Peninsula to opposing sites like Jebel Faya. These early migrants running away from the climate change in Africa, crossed the Red Sea into Yemen and Oman, trekked across Arabia during favourable climate conditions. The stone tools, some up to 125,000 years old, resemble those made by humans in Africa around the same period.

Persian period

The northern half of Oman (beside modern-day Bahrain, Qatar, United Arab Emirates, plus Balochistan and Sindh provinces of Pakistan) presumably was part of the Maka satrapy of the Persian Achaemenid Empire. By the time of the conquests of Alexander the Great, the satrapy may have existed in some form and Alexander is said to have stayed in Purush, its capital, perhaps near Bam, in Kerman province. From the 2nd half of the 1st millennium BCE, waves of Semitic speaking peoples migrated from central and western Arabia to the east. The most important of these tribes are known as Azd. On the coast Parthian and Sassanian colonies were maintained. From c. 100 BCE to c. 300 CE Semitic speakers appear in central Oman at Samad al-Shan and the so-called Pre-islamic recent period, abbreviated PIR, in what has become the United Arab Emirates. These waves continue, in the 19th century bringing Bedouin ruling families who finally ruled the Persian Gulf states.

thumb|The Sasanian Empire at its greatest extent c. 620, under [[Khosrow II]]

The Kingdom of Oman was subdued by the Sasanian Empire's forces under Vahrez during the Aksumite–Persian wars. The 4,000-strong Sasanian garrison was headquartered at Jamsetjerd/Jamshedgird (modern Jebel Gharabeh, also known as Felej al-Sook).

Conversion to Islam

thumb|upright|Vestiges in Nizwa

Oman was exposed to Islam in 630, during the lifetime of Muhammad; consolidation took place in the Ridda Wars in 632.

In 751 Ibadi Muslims, a moderate branch of the Kharijites, established an imamate in Oman. Despite interruptions, the Ibadi imamate survived until the mid-20th century.

Oman is the only country with a majority Ibadi population. Ibadhism has a reputation for its "moderate conservatism". One distinguishing feature of Ibadism is the choice of ruler by communal consensus and consent. The introduction of Ibadism vested power in the Imam, the leader nominated by the ulema.

Foreign invasions

Several foreign powers attacked Oman. The Qarmatians controlled the area between 931 and 932 and then again between 933 and 934. Between 967 and 1053 Oman formed part of the domain of the Iranian Buyyids, and between 1053 and 1154 Oman was part of the Seljuk Empire. Seljuk power even spread through Oman to Koothanallur in southern India.

In 1154 the indigenous Nabhani dynasty took control of Oman, and the Nabhani kings ruled Oman until 1470, with an interruption of 37 years between 1406 and 1443.

left|thumb|Wall of the Jabrin Castle

The Portuguese took Muscat on 1 April 1515, and held it until 26 January 1650, although the Ottomans controlled Muscat from 1550 to 1551 and from 1581 to 1588. In about the year 1600, Nabhani rule was temporarily restored to Oman, although that lasted only to 1624 with the establishment of the sixth imamate, also known as the Yarubid Imamate. The latter recaptured Muscat from the Portuguese in 1650 after a colonial presence on the northeastern coast of Oman dating to 1508.

Turning the table, the Omani Yarubid dynasty became a colonial power itself, acquiring former Portuguese colonies in Southeast Africa and engaging in the slave trade, centered on the Swahili coast and the island of Zanzibar.

thumb|Areas under the Omani Empire

By 1719 dynastic succession led to the nomination of Saif bin Sultan II (c. 1706–1743). His candidacy prompted a rivalry among the ulama and a civil war between the two factions, led by major tribes, the Hinawi and the Ghafiri, with the Ghafiri supporting Saif ibn Sultan II. In 1743, Persian ruler Nader Shah occupied Muscat and Sohar with Saif's assistance. Saif died, and was succeeded by Bal'arab bin Himyar of the Yaruba.

Persia had occupied the coast previously. Yet this intervention on behalf of an unpopular dynasty brought about a revolt. The leader of the revolt, Ahmad bin Said al-Busaidi, took advantage of the assassination of the Persian king, Nadir Shah in Khurasan in 1747 and the chaos that resulted in the Persian Empire by expelling the dwindling Persian forces. He then defeated Bal'arab, and was elected sultan of Muscat and imam of Oman.

The death of Sa'id bin Sultan in 1856 prompted a further division: the descendants of the late sultan ruled Muscat and Oman (Thuwaini ibn Said Al-Busaid, r. 1856–1866) and Zanzibar (Mayid ibn Said Al-Busaid, r. 1856–1870); the Qais branch intermittently allied itself with the ulama to restore imamate legitimacy. In 1868, Azzan bin Qais Al-Busaid (r. 1868–1871) emerged as self-declared imam. Although a significant number of Hinawi tribes recognized him as imam, the public neither elected him nor acclaimed him as such. On 11 January 2020, his cousin Haitham bin Tariq was sworn in as Oman's new sultan.

Rulers of Oman

thumb|right|300px|Standard of the Sultan of Oman

  • Said bin Sultan (20 November 1804 – 4 June 1856) – (Sultan of Zanzibar and Oman)
  • Thuwaini bin Said (19 October 1856 – 11 February 1866)
  • Salim bin Thuwaini (11 February 1866 – October 1868)
  • Azzan bin Qais (October 1868 – 30 January 1871)
  • Turki bin Said (30 January 1871 – 4 June 1888)
  • Faisal bin Turki (4 June 1888 – 15 October 1913)
  • Taimur bin Feisal (15 October 1913 – 10 February 1932)
  • Said bin Taimur (10 February 1932 – 23 July 1970)
  • Qaboos bin Said (23 July 1970 to 10 January 2020)
  • Haitham bin Tariq (11 January 2020 – present)

See also

  • History of Asia
  • History of the Middle East
  • History of the United Arab Emirates, which share Dibba and Tawam (which includes Al-Buraimi on the Omani side) with Oman
  • Economy of Oman
  • Tourism in Oman
  • Health in Oman
  • Portuguese Oman

References

  • Timeline of the Oman History from ancient civilization to modern day
  • Chronology
  • Omani Ministry of Foreign Affairs