Portal:London/DYK/4

• ...that the Dulwich Picture Gallery opened in 1817 with a collection assembled for a never-realised Polish national gallery, and that it was first purpose-built public art gallery in England?

• ...that the Petrie Museum ranks behind only the collections of the Cairo Museum, the British Museum and the Ägyptisches Museum, Berlin, by quantity of ancient Egyptian artefacts?

• ...that the remains of London's Roman amphitheatre can be found in the basement of the Guildhall Art Gallery?

• ...that the Bethnal Green Museum, now the V&A Museum of Childhood (pictured), is housed in a pre-fabricated building moved from South Kensington in 1872?

• ...that the Secretum was the name given to a cupboard in the British Museum containing a collection of supposed ancient erotica, which in fact largely consisted of Victorian fakes?