During the European Union’s second Digital Day in Brussels, this informal agreement was signed by 25 states including the United Kingdom and Norway. The signatories of the declaration believe that the development of AI will have a great impact on their future. AI applications are already ubiquitous in daily life. Think about the assistant on your mobile phone and ever smarter robots. The discussions about lethal autonomous weapons systems remind us that AI can also be a question of life and death. In the context of the rising importance of AI and the increased willingness to influence its development also on the highest political levels, the Declaration represents a new and unique approach.