Using the situated vantage point of the League of Nations, this article explores how fusing the tools of world and institutional history offers generative methods for writing multiple "decentered" histories. First, it suggests approaching organizations as sites embedded in and so reflective of the structures of a particular world historical conjuncture. Then, it argues that we can make use of the ample and even mundane materials in organizational archives to rethink and retell standard historical narrative arcs.