The following are a list of important dates in Tasmanian history dating from the decade of Joseph Wheeler Feltham's arrival in Hobart Town, Van Diemen's Land.
- 1850 – First Van Diemen's Land secular high school built at the Domain in Hobart Town.
- 1850 – Hobart Town’s Constitution Dock is officially opened.
- 1851 – The Black Thursday bushfires occur in February 1851.
- 1851 – A major influenza epidemic hits Van Diemen's Land.
- 1851 – First election for 16 non-appointed members of Legislative Council.
- 1851 – Hobart Town’s Chamber of Commerce is established in 1851.
- 1851 – The first Australian inter-colonial cricket match is hosted in Launceston between Van Diemen's Land and Victoria.
- 1851 – Van Diemen's Land Darlington penitentiary abandoned on Maria Island.
- 1852 – Elections for first Hobart and Launceston municipal councils are held.
- 1852 – Gold discovered near Fingal
- 1852 – The convict ship the 'Equestrian' arrives in Hobart Town.
- 1853 – Arrival of last convict ship, the St Vincent.
- 1853 – Jubilee festival in Hobart celebrates the end of convict transportation.
- 1853 – The first Tasmanian adhesive postage stamp issued.
- 1854 – The Legislative Council wrote to Queen Victoria requesting that the name of the colony be changed to Tasmania.
- 1854 – Severe floods and fires hit Hobart.
- 1854 – The Mercury newspaper is founded as bi-weekly publication.
- 1855 – The first horse-drawn 'buses' (in reality they were large carts) began services - mainly on the Hobart city to nearby New Town route.
- 1855 – Henry Young becomes first vice-regal representative to have title of Governor of Van Dieman's Land - later Tasmania.
- 1856 – Name of Van Diemen's Land officially changed to Tasmania after grant of responsible self-government.
- 1856 – New two-house Parliament opens after elections, William Champ becomes colony's first Premier.
- 1856 – Norfolk Island transferred from Tasmanian to New South Wales control.
- 1857 – Hobart's municipal Incorporation
- 1857 – Hobart-Launceston telegraph line opens for first time.
- 1857 – Hobart starts using coal gas - Hobart streets get gas lighting.
- 1858 – Hobarts Marine Board has it's first meeting - becoming Australia's oldest port authority.
- 1858 – Hobart and Launceston councils form municipal police forces.
- 1858 – Council of Education established in Tasmania.
- 1858 – The Hobart Savings Bank founded in 1858.
- 1858 – Tasmanian Parliament passes Rural Municipalities Act
- 1859 – Hobart Town Council appoints a health officer.
- 1859 – The new Government House at Domain occupied for first time, by Governor Henry Young and Lady Young.
