31 May

On 31 May 5,000,000,057, the Tenth Doctor and Martha Jones defeated a Cyberman and Judoon plot to upgrade the inhabitants of New Earth, which was in the process of rebuilding after the opening of the Motorway four years before. (WC: In-Flight Entertainment)

According to a poster in Paris, the exhibit "3 millions d'années d'aventure humaine" closed on 25 January 1979 at the Muséum national d'histoire naturelle. (TV: City of Death)