Thormanby
... that after the 1860 Derby winner Thormanby died suddenly at age 18, its tail was mounted as a whisk in the hall of racehorse trainer Mathew Dawson's house?
... that after the 1860 <a href="./Epsom_Derby" id="mwCH4" rel="mw:WikiLink" title="Epsom Derby">Derby</a> winner <b id="mwCH8"><a href="./Thormanby_(horse)" id="mwCIA" rel="mw:WikiLink" title="Thormanby (horse)">Thormanby</a></b> died suddenly at age 18, its tail was mounted as a whisk in the hall of racehorse trainer <a href="./Mathew_Dawson" id="mwCIE" rel="mw:WikiLink" title="Mathew Dawson">Mathew Dawson</a>'s house?