28th century

In the 28th century, the Earth Empire flourished. Earth had very busy air traffic. By this time, the whole of lower England had been absorbed into a megacity called Central City. (TV: "Strangers in Space")
The Catholic Church had re-established itself and become a major space power with jurisdiction over numerous worlds. Pope John Paul XXIII was dead. (PROSE: Companion Piece)
Two ill-fated expeditions were sent to the planet Sense Sphere, the second headed by Captain Maitland. (TV: The Sensorites)
For much of the 28th century, beginning in the 2720s, humanity was at war with the Foucoo of Zeta Reticuli. By this time, Earth was commonly referred to as "Old Earth" by the inhabitants of its colony worlds such as Nocturne. (AUDIO: Nocturne)
The Daleks placed themselves in suspended animation in this century until the 45th century. (AUDIO: Plague of the Daleks)
In the 28th century, there were at least two schools which were replica schools of the public schools of the 1950s. They weren't on Earth but on a space satellite. They were schools for privileged children. One of these schools was a girls school. The other school was the Darkstar Academy, which was visited by the Eleventh Doctor, Amy Pond and Rory Williams in the 28th century. (AUDIO: Darkstar Academy)