Europe is increasingly experiencing overlapping crises, from inflation to pandemics and floods, a phenomenon often described as a state of polycrisis. Existing research has explored how economic crises shape public attitudes, how crisis framing influences interstate solidarity, and how citizen support varies based on social protection and long-term values. However, these studies typically focus on isolated cases, offering little insight into how the diverse crises facing the EU impact the long-term formation of a common European identity.This article uses a staggered Difference-in-Difference approach to test the causal impact of economic, social, and natural crises on European identity formation across all EU member states from 1982 to 2023. By leveraging EUID, a new longitudinal measure of European identity, this study provides valuable insights into how crises shape a collective identity in Europe. Understanding these dynamics is crucial for navigating the challenges posed by an era of recurring financial, health, and environmental challenges.