EN
The study presents digital tools and practices used for research of the international correspondence network of Tomáš Garrigue Masaryk before 1918. The discussion highlights the usefulness of spatial visualization and network analysis for interpreting the correspondence network as a significant instrument in the process of the creation of Czechoslovakia after the First World War. The ambition is to outline, using this example, the paradigm shift in historical science related to the recent entry of the digital world into the humanities.