49th century

Events

 * Early 4826: The human colony of Graelliscy was conquered by the Daleks.
 * Humans terraformed Alfava Metraxis, and began to settle the planet. Over the next two centuries its population grew to six billion. (DW: The Time of Angels)
 * Late in this century, the Raxas Federation became more powerful.
 * World War V happened at some point in this century. (BFA: Singularity)
 * The Hokrala Corp was active. (TWN: The Undertaker's Gift)

Behind the scenes
In the original pilot episode, Susan Foreman and The Doctor were from the 49th century.