- 1920 - On 1 January, the principle of an eight hour tour of duty came into force as a result of the Desborough Committee review of policing after the police strikes of 1918 and 1919.
- 1890 - The combined forces of the Hampshire Constabulary and the Southampton Borough Police quelled riots at a Southampton dock strike.
- 1893 - Chief Constable Captain Peregrine Henry Thomas Fellowes died from his injuries having been crushed by a runaway horse outside police headquarters in Winchester.
- 1880 - Hampshire Constabulary were deployed to deal with riots on bonfire night in Bournemouth. What followed was an allegation of violence on behalf of a particular officer which resulted him being called upon to resign. The officer appealed and argued that given the circumstances the punishment was too severe. He lost his appeal but it led to a review of a chief constable's disciplinary powers.
- 1960 - Brenda Nash, a 12 year old girl from Heston, Middlesex was found dead on Yateley Common on 11 December. Detective Chief Superintendent Walter Jones investigated the case alongside officers from New Scotland Yard. Arthur Albert Jones was later found guilty and sentenced to life imprisonment.