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Connecting the historical dots

Welcome to
Where you can find all the open data of collected in one place.
Search through 226,620 datasets and harvest the open data via OAI-PMH or download by clicking the button.

about Open Data

Open data is about making data freely available, allowing anyone to use, reuse and distribute it without restrictions.

about Harvesting

Open datasets can be harvested using the OAI-PMH protocol, enabling the reuse of this data in research or publication platforms, for example.