How can the emergence of transnational memories be operationalized and measured using quantitative corpus analysis? This chapter suggests three core insights: on a theoretical level, it shows how collective memory shapes the uses of historical lessons in public discourses on contemporary wars and interventions, and why the analysis of these discourses can enable us to detect possible effects of memory transnationalisation. On a methodological level, it details a corpus-analytical framework that uses quantitative methods to perform a longitudinal comparison of discursive uses of historical references across different national contexts and thus to detect potential instances of transnational memory discourses. Finally, on an empirical level, it presents initial results of such analysis based on a corpus of newspaper articles on contemporary conflict from France, Germany, and the U.S. The results highlight that historical references are indeed mobilised in times of crisis and that one can identify a surprisingly large set of shared references used across all three national contexts.