 “The Historicity of Things” (1936) is one of Alexander’s last papers. One reason it is valuable is that it gives a concise overview of Alexander’s spacetime metaphysics in his own words. Another reason it is valuable is that it tackles an unusual theme: the relationship between history and nature. Alexander argues that while some of the contributions to philosophy from science are clear, it is less clear what philosophy can learn from history (Alexander 1936: 12). Alexander argues that, as time and motion belong to the most fundamental level of reality, all that exists is “historical”. As such, science begins with history: