Patients, families, and providers around the world are affected by medical error. This annual event and its associated materials seek to raise awareness, motivate collaboration, and stimulate innovative work targeting a distinct patient safety theme. The 2024 theme is “Improving Diagnosis for Patient Safety” with the slogan “Get it right, make it safe!” Explicit objectives of the event include increasing awareness worldwide of the importance of diagnostic safety, system-focused efforts to improve diagnostic reliability, and policy maker advocacy to advance diagnostic excellence.