The document summarizes the history and achievements of the Luxembourg Declaration over the past 20 years. It discusses the starting points in the 1990s that led to the establishment of the European Network for Workplace Health Promotion (ENWHP) and adoption of the Luxembourg Declaration in 1997. The Declaration provided a common definition and conceptual framework for workplace health promotion in the EU. Over the past 20 years, the ENWHP has grown significantly and led numerous initiatives that have increased support for workplace health promotion across Europe and influenced EU policies. The future of the ENWHP involves broadening membership, applying for projects, and continuing to identify and disseminate best practices.