Abstract: The article discusses the content and results of the international conference of the Association "History and Computer" (AIC) "Historical Informatics as Historical Data Science", held on November 11-13, 2022 at the Faculty of History of Lomonosov Moscow State University. All stages and forms of the conference are described in detail: 2 plenary sessions, breakout sessions, a round table. The conference was dedicated to the 30th anniversary of the AIC and the 10th anniversary of the journal "Historical Informatics". The conference program included over 100 reports, the authors of which represented scientific centers of Russia, Azerbaijan, Belarus, Germany, Kazakhstan, Kyrgyzstan, Norway and Uzbekistan. The main part of the conference consisted of 10 breakout sessions, where reports were presented on topical historical problems, the solution of which was proposed by the authors on the basis of methods and technologies of historical informatics. At the same time, in most reports, considerable attention was paid to the characteristics of the data used, methods of their processing and visualization. Much attention was paid to the creation of databases and information systems, statistical processing of historical data, methods of text analysis, historical geoinformatics, 3-D modeling. The results of archaeological research using digital technologies, methods of historical informatics in the research work of archives and museums, digital technologies in historical education were also considered.