Stitchmate is right. it is about Nelson's state funeral. I've almost completed it but there are a couple of words that have me baffled. 3d (which is unclued) looks like something out of Harry Potter! I have
?AVENGO?E. Can anyone see where I have gone wrong?
It is about Churchill's funeral, the boat which took him down the Thames was the Havengore which is referenced by the unclued answers RETREAT and PIERCE