Ice skating
From Tardis Wiki, the free Doctor Who reference
Ice skating was a human activity which involved skating on top of a plane of ice with ice skates.
On 15 November 2950 BC, the Ice Warriors finally invented ice skating after vicious warlord Grand Marshall Skiirgal decided to attach swords to the bottom of his boots. (PROSE: Time Traveller's Diary)
At some point, the Doctor took River Song to the River Thames for ice skating in 1814. (TV: A Good Man Goes to War)
On Formicia, Roman and Janaiya went ice skating on her first date. (AUDIO: The Middle)
