Christiania Skøiteklub
... that the skating club Christiania Skøiteklub had more than 5,000 members in 1870, when the city Christiania had fewer than 70,000 inhabitants?
... that the skating club <b id="mwAoo"><a href="./Oslo_SK" id="mwAos" rel="mw:WikiLink" title="Oslo SK">Christiania Skøiteklub</a></b> had more than 5,000 members in 1870, when the city <a href="./Oslo" id="mwAow" rel="mw:WikiLink" title="Oslo">Christiania</a> had fewer than 70,000 inhabitants?