| In 1497, early in Henry VII's reign, the Royal pretender Perkin Warbeck, besieged Exeter. |
| Fisetin was also found as a glucoside compound in Rhus rhodanthema by Perkin. |
| The first synthetic dye, mauve, was prepared in 1856 by the English chemist William Henry Perkin. |
| In 1497 he commanded the escort which accompanied Perkin Warbeck from Scotland. |
| Clothes were also made for her companion, Lady Catherine Gordon, the widow of Perkin Warbeck. |
| Perkin Warbeck claimed he was the younger of the Princes from 1490 and was recognised as such in international diplomacy outside England. |
