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| 1818 | Lord Hastings, Governor-General of India, tacitly approves trading station at the southern tip of the Malay Peninsula. | 
| 29 January 1819 | Sir Stamford Raffles, Lieutenant-Governor of Bencoolen, arrives in Singapore to establish trading station for East India Company. | 
| 30 January 1819 | Raffles concludes preliminary treaty with Temenggong Abdu'r Rahman to set up a trading post. | 
| 6 February 1819 | Raffles makes a formal treaty was with Sultan Hussein of Johor and the Temenggong. | 
| 1820 | first East India Company chart of Singapore Harbour. | 
| 1822 | 139 square-rigged vessels enter Port of Singapore | 
| 1823 | Profitability surpasses that of Penang. | 
| March 1824 | Anglo-Dutch Treaty: the Dutch agree to British occupation of Singapore. | 
| August 1824 | treaty with Sultan Hussein and Temenggong Abdu'r Rahman cedes Singapore to British for cash payments and pensions. | 
| 1834 | 517 squarerigged vessels totalling 156,513 NRT use port. | 
| 1840 | first Admiralty charts of Singapore waters | 
| 1845 | Peninsular and Oriental Steam Navigation Company (P & 0) inaugurated its first scheduled steamship service through Singapore. | 
| 1849 | survey of New Harbour (Keppel Harbour) leads to deep water berth. | 
| 1851 | first lighthouse, named after James Horsburgh, Hydrographer, erected at the eastern approaches to the Singapore Strait. | 
| 1852 | P & 0 opens coal-bunkering pier at Tebing Tinggi | 
| 1 April 1867 | Straits Settlements became a Crown Colony under the jurisdiction of the Colonial Office in London. | 
| 1868 | Tanjong Pagar Dock Co opens first dry dock, the Victoria Dock | 
| 1869 | Suez Canal opens, and Singapore becomes a major port of call for ships plying between Europe and East Asia. | 
| 1870 | tonnage of steamers surpasses that of sailing ships; Paten Slip & Dock Co opens its dry dock. | 
| 1871 | submarine cable links Singapore with Madras thus allowing telegraphic communication with Europe. | 
| 1874 | steam winches and cranes increase amount of cargo handled at Tanjong Pagar wharves from 200-300 tons/day to 500-800 tons/a day. | 
| 1879-1887 | Telok Ayer reclamation extends foreshore to Raffles Quay, providing additional 18 acres for new access roads between Keppel Harbour and the Singapore River. | 
| 1879 | Tanjong Pagar opens its second dock, Albert Dock. | 
| 1880 | tonnage reaches 1.5 million NRT, steamships accounting for 80%. | 
| 1884 | Tanjong Pagar leases Jardine Matheson Wharf. | 
| 1885 | Tanjong Pagar purchases Borneo Wharf and Purvis Wharf and their adjoining properties. | 
| 1897 | introduction of electricity to wharves, roadways, and docks doubles harbor working hours. | 
| 1899 | Tanjong Pagar amalgamates with Paten Slip & Dock Co, thus controling almost all Singapore shipping business with its 5 dry docks, 1 1/4 miles of wharf frontage, and 375 acres of properties. | 
| 1900 | tonnage rises to 5.7 million NRT. | 
| 1905 | Government expropriates Tanjong Pagar Dock Co. properties. | 
| 1907 | Extension of Tank Road-Kranji Railway between Keppel Harbour and town center; second phase of the Telok Ayer reclamation and the construction of the Offshore Mole, a granite-rubble breakwater, which creates second entrance to Singapore Habor. | 
| 1912 | Straits Settlement Port Ordinance creates Singapore Harbour Board. | 
| 1914 | Breakwater completed. | 
| 1932 | Telok Ayer Basin formally opened; Port of Singapore encompasses Singapore River, Telok Ayer Basin, and Keppel Harbour or 36 1/2 sq miles (23,168 acres). | 
| 1936 | Port limits extended with the Singapore Port Rules. | 
| 8 December 1941 | Japanese bomb Singapore. | 
| February 1942 | Japanese occupy Singapore, which they rename Syonan (Light of the South). | 
| 1941-1945 | Bombing damages 70% of Keppel Harbour warehouses; harbor cluttered with sunken vessels. | 
| 1946 | Singapore Harbour Board resumes control. | 
| 1947 | Shipping reaches 20.4 million NRT. | 
| 1963 | 82.9 million NRT shipping. | 
| 1 April 1964 | Port of Singapore Authority (PSA) formed and replaces Singapore Harbour Board. | 
| 23 June 1972 | Container berth opens at Tanjong Pagar (East Lagoon), making Singapore first S. A. Asian port to accomodate third-generation container vessels. | 
| October 1997 | Pasir Panjang Terminal begins operation with 4 berths equipped with state-of-the-art technology, including remote controlled bridge cranes. | 
| March 1998 | Port of Singapore voted "Best Seaport in Asia" eleventh time by Hong-Kong based Asian Freight Industry Awards (AFIA). |