On their trip to Singapore, the Duke and Duchess of Cambridge will attend an orchid-naming ceremony and visit an orchid named after Princess Diana shortly before her death in 1997.
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The Duke and Duchess of Cambridge met young people who have battled mental health issues on Saturday.
Former Chancellor Lord Geoffrey Howe was Margaret Thatcher's longest-serving Cabinet minister, also taking on the role of Foreign Secretary.
Lord Geoffrey Howe is known by many for his resignation speech which was seen as the catalyst which destroyed Margaret Thatcher.