| Colchester.uk.com | The History of Colchester 1801-1850 |
| Year | Events |
| 1801 | |
| 1802 | |
| 1803 | Town population warned to leave due to threat of French invasion |
| 1804 | |
| 1805 | |
| 1806 | |
| 1807 | |
| 1808 | |
| 1809 | |
| 1810 | |
| 1811 | Prince Regent passes through Colchester on tour of coastal defences |
| 1812 | |
| 1813 | |
| 1814 | |
| 1815 | |
| 1816 | |
| 1817 | Barrack Street barracks demolished |
| 1818 | South Gate demolished (1817)
(circa) gas lighting introduced |
| 1819 | |
| 1820 | Colchester's port challenges Dover for the packet boat route to Ostend, but the introduction of paddle steamers negates its prevailing wind advantage
September 14: The Essex and Colchester Hospital opens in Lexden Road and one week later the first patients are admitted |
| 1821 | March 17: The Colchester Sphinx discovered in the hospital grounds
St. Leonard's church, Lexden, entirely rebuilt 1820-1821 Body of Queen Caroline left overnight in St. Peter's church and the inscribed coffin plate referring to her as the "wronged" Queen of England is removed |
| 1822 | The Ipswich Coach is robbed of £31,000 in the High Street |
| 1823 | High Street becomes gas lit
North Gate demolished |
| 1824 | |
| 1825 | |
| 1826 | Silk Mill built by Middle Mill |
| 1827 | |
| 1828 | William Corder, murderer of Maria Martin at Polstead, is held overnight at the George Hotel
William Macready performs at the Theatre Royal |
| 1829 | |
| 1830 | |
| 1831 | |
| 1832 | |
| 1833 | |
| 1834 | |
| 1835 | Colchester castle closed as a gaol
Charles Dickens in Colchester as a young newspaper reporter |
| 1836 | |
| 1837 | New St. Botolph's church, designed by William Mason of Ipswich is consecrated (built 1836-1838) |
| 1838 | French complaints about Colchester boats collecting oysters near Dieppe |
| 1839 | |
| 1840 | |
| 1841 | |
| 1842 | |
| 1843 | Railway between London and Colchester opened
North Bridge rebuilt Norman Moot Hall pulled down (1844) |
| 1844 | New Town Hall built on the site of the Moot Hall |
| 1845 | |
| 1846 | |
| 1847 | |
| 1848 | |
| 1849 | The Chappel viaduct built by the Colchester, Stour Valley, Sudbury & Halstead Railway 1847-1849. It has 32 arches and is 325m long |
| 1850 | |
| The History of Colchester : 1701-1750 : 1751-1800 :: 1851-1900 : 1901-1950 | |