Cholera Riots break out in Hamburg resulting in the deaths of a sanitary officer and a policeman. The riots are eventually quashed by bayonet-wielding troops.
20 June – Zentis, a confectionery and preserve concern, begins trading in Aachen.
1 September – Franz Ramesohl and Franz Schmidt open a milk separator-producing workshop under the name of Ramesohl & Schmidt oHG in Oelde. The workshop forms the basis of the still extant company GEA Westfalia Separator.
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