- The Founding King Abdulaziz Bin Abdulrahman Al Saud signed the oil concession agreement with the Standard Oil of California (SoCal).

- California Arabian Standard Oil Company (CASOC) was established as a subsidiary of SoCal.

- The first geological mission arrived at the coastal city of al-Jubayl on the Arabian Gulf.

Drilling Dammam Well No. One.

- Drilling Dammam Well No. Two, and oil flow.

- Results from Well No. Two led to drilling Dammam Wells No. Three, Four, Five, and Six.

- A decision was made in July to prepare Dammam Well No. Seven to be a deep test well.

- Oil flowed from Dammam Well No. Seven, increasing its production.

The Kingdom exported its first shipment of crude oil on a tanker.

Discovery of Abqaiq Oil Field.

The name of 'CASOC' was changed to 'Arabian American Oil Company (Aramco)'.

Production reached five hundred thousand bbl per day.

Completion of the Trans-Arabian pipeline “Tapeline”, with a length of 1,212 km.

Discovery of the Safaniya field, the world's largest onshore field.

Aramco's crude oil production reached one million bbl per year.

Cumulative crude oil production reached five billion bbl annually.

The Kingdom acquired a 25 percent share in Aramco.

The Kingdom increased its share in Aramco to 60 percent.

Aramco became the first company to produce over three billion oil bbl annually.

Operations began at the al-Berri Gas Plant.

The Saudi government took full ownership of Aramco.

The shipment of crude oil and petroleum products from the marine terminal in Ras Tannurah reached one billion bbl annually.

Establishment of the Saudi Arabian Oil Company (Saudi Aramco).

Transforming Aramco from a mere oil-producing and exporting company into an integrated petroleum company.

Acquisition of a 35 percent equity in a Korean refinery.

Saudi Aramco acquired a 40 percent share in Petron Corporation.

Operation of Shaybah field in ar-Rub' al-Khali (Empty Quarter) Desert.

Commencement of production at Petro Rabigh plant.

Establishment of the Sadara Joint Venture.

Start of Manifa field project to increase crude oil production.

Inauguration of production at the SATORP and YasRef refineries.

Saudi Aramco acquired Motiva, the largest crude oil refinery in North America.

Full acquisition of Arlanxeo.

Aramco was converted into a public joint-stock company, listed on the Saudi Stock Exchange.

Acquisition of a 70 percent share in SABIC by Saudi Aramco.

Transferring 4 percent of Saudi Aramco shares to the Public Investment Fund.

Acquisition of a 10 percent share in the Chinese company, Rongsheng Petrochemical Co. Ltd., and acquisition of the global products business of Valvoline.

The company announced the addition of fifteen trillion ft of confirmed gas reserves and two billion bbl of condensates in al-Jafurah unconventional gas field.