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aMU delves into the colonial history of Marseille aboard the Mars Imperium portal

28 avril 2025
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In the face of controversy over colonial traces in Marseille's urban space, a new digital project sheds light on the imperial past of the city, responding to current debates on colonial heritage. The Mars Imperium portal offers a documented approach to the imperial and (post)colonial history of Marseille, filling a historical gap on these sensitive issues.
©Agence Rol, BnF/Gallica

The project is based on a worrying academic observation: despite a number of noteworthy works, the imperial history of Marseilles remains fragmented and often cluttered with preconceived ideas. This fragmentation makes it impossible to properly assess the impact of colonial rule on Marseilles society in the nineteenth and twentieth centuries, or to understand current tensions and grievances.

At a time when debates are intensifying over the material traces of the colonial past (statues at Saint-Charles station, museum objects, urban place names), there is an urgent need for a rigorous, comprehensive and accessible historical approach. Mars Imperium is organised around five platforms, each approaching colonial history from a specific angle:

  1. A webdocumentary of 81, 5-minute videos, organised around nine themes
  2. Digital walks exploring colonial urban traces in Marseille
  3. A documentary film on the 1922 Colonial Exhibition
  4. A digital showcase presenting the Musée Colonial's collections through some 40 objects.
  5. A media library giving access to archives and research sources

In total, almost 1,500 documents have been compiled on this free portal.

©Detroit Publishing Co. defunct postcard publisher based in Detroit, Michigan.

Innovative browsing and thematic pathways

One of the project's major innovations is its cross-platform navigation. An algorithm suggests resources with a thematic, spatial or temporal link to the page being consulted, creating alternative routes through this vast documentary database.

The portal also offers specific thematic paths on emerging subjects such as anti-colonial mobilisations, the decolonisation of the public sphere, colonial sciences, the slave trade and slavery, and gender and racism.

Designed for all audiences, Mars Imperium enables everyone to take ownership of this complex history and understand how the imperial past continues to shape Marseilles and contemporary France.

Find out more from the original story, in French. 

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