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We are very pleased to announce the official release of the RICardo dataset on the occasion of the bicentenary of David Ricardo’s Principles. The RICardo database is now freely available under the Open Database License in our data repository described under the Data Package format. Our data and transformation scripts are now opened to anyone to fuel research, to check our work or to get inspired for similar projects in Digital Humanities.This release contains new data. Compared with the preliminary version opened to the public in July 2016, this updated version provides an extended trade database with new sources and new data. We were able to include many new primary sources thanks to the exploitation of a rich collection of trade statistics archived by the Institut national de la statistique et des études économiques (Insee). The process of adding and filtering data allowed us to correct some errors and anomalies remaining in the preceding version.We also reworked our exploration tool, the RICardo website, which has been improved in multiple ways (thanks to the help of grants accorded by Sciences Po). A new graphical identity and better documentations including, besides the trade database, an exchange rate database, a directory of all the entities listed in the trade database, and a directory of data sources.Hopefully, this will not be the last version. The trade database still needs to be completed, especially for the period 1914-1923, and with new primary sources overall. We are also thinking of new features to better exploit the data, such as a political codification of entities over time. Moreover, anomalies can still remain yet to be corrected. We are very grateful for remarks and comments that would help us in improving this work. They can be posted on our Hypotheses blog. We will also use this blog to discuss the choices we made and document the issues we tackled in a series of blog posts to come.&#160;&#160;&#160;&#160;