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 during this century. (BFA: Singularity)
 * The Hokrala Corp was active. (TWN: The Undertaker's Gift)
 * Time Agents operated in this century. (EDA: Eater of Wasps, Trading Futures)
 * Spirits from this time period to possess bodies in the 19th century, but were repelled by the joint work of Henry Gordon Jago, Professor Litefoot, Ellie Higson and Toby. (JAL:  The Spirit Trap)

Behind the scenes
In the original Doctor Who pilot episode, "An Unearthly Child", Susan Foreman claims that she is from the 49th century.