#OnThisDay 1912: Titanic sank with the loss of more than 1,500 lives. The youngest survivor, Millvina Dean, was just nine weeks of age. She spoke to Blue Peter shortly after James Cameron's 1997 film was released. | BBC Archive

#OnThisDay 1977: Blue Peter’s resident stunt man, John Noakes, scaled the death-defying heights of Nelson’s Column to clean out some pigeon poo. For more Blue Peter clips, check out our collection here – https://www.bbc.co.uk/archive/blue-peter/zvfrhbk | BBC Archive

#OnThisDay 1976: Blue Peter explained the television magic behind colour separation overlay. | BBC Archive

On this week's Blue Peter, the presenters wanted to speak to the audience about racism. 🖤 We want to stand together & pledge to do better at fighting racism, to build a better future for everyone. Now on iPlayer. | CBeebies Parenting

#OnThisDay 1983: Blue Peter celebrated its 25th anniversary with a parade of past presenters. | BBC Archive