| Year | Detail |
| First oil – 1901-1908 |
|
| 1901 |
William Knox D’Arcy granted a long-term 60 years of concession for searching oil and gas across Persia. |
| 1902 |
Drilling works started in the Chiah Surkh mountains. |
| 1903 |
D’Arcy forms the First Exploitation Company. |
| Early history – 1909-1924 |
|
| 1909 |
The Anglo-Persian Oil Company was formed in London and Glasgow. |
| 1911 |
A 145-mile pipeline running from Tembi to the banks of river Bahmashir at Abadan has been completed. |
| 1918 |
The British Tanker Company was formed. |
| Through World War II – 1925-1945 |
|
| 1927 |
Oil discovered in Iraq. |
| 1932 |
Anglo-Persian and Royal Dutch-Shell agreed to integrate their U.K. marketing operations as Shell-Mex and BP. |
| 1934 |
Two pipelines of 1,152 miles running from Kirkuk to Tripoli in Lebanon and Palestine have been completed. |
| 1935 |
The Anglo-Persian Oil Company was renamed to the Anglo-Iranian Oil Company. |
| 1945 |
Anglo-Iranian Oil Company’s oil production capacity has reached 345,000 barrels/day. |
| Post-war – 1946-1970 |
|
| 1946 |
The Iraq Petroleum Company started constructing new pipelines parallel to existing ones. |
| 1950 |
Rationing of petrol has been ended in the U.K. |
| 1954 |
The Anglo-Iranian Oil Company was renamed to British Petroleum. |
| 1960 |
The Organisation of Petroleum Exporting Countries (OPEC) is established. |
| Late century – 1971-1999 |
|
| 1974 |
As all oil-producing countries raised their stakes in the oil companies, BP’s crude production was reduced to 10% of its five-year output. |
| 1975 |
First, oil arrives from BP’s Forties field. |
| 1981 |
BP plc reveals a new matrix management structure that balances national companies with international business streams. |
| 1989 |
BP plc introduced a frontier exploration strategy, which led to significant discoveries in countries such as Angola, Colombia, and Azerbaijan. |
| 1996 |
BP plc entered the Russian market and opened its first service station in Moscow. |
| The new millennium – 2000-2012 |
|
| 2000 |
BP plc Amoco acquired ARCO and Burmah Castrol. |
| 2001 |
The parent company changed its name from BP Amoco plc to BP plc. |
| 2003 |
A 50:50 joint venture between TNK-BP was formed. |
| 2005 |
BP Alternative Energy was established. |
| 2007 |
BP plc takes full ownership of the Rotterdam refinery in the Netherlands. |
| 2010 |
BP plc becomes the official energy partner of the U.S. Olympic Committee. |