Keeping the public in the dark about the government's findings about aliens may have served its purpose, but it seems those times are over. Over the past six years, the UK has declassified all their UFO files. So if you want to find out about the government’s involvement in alien conspiracies, just take a trip to the National Archives.

Calvin Coolidge liked to keep his staff on the run! Sometimes he would ring all the buttons in the Oval Office – so that bells would start ringing across the White House. And when his staff came running he would hide! He said he just wanted to check they were all alert and on top of things… Methinks he was having rather a lot of fun!

Bizarrely, Doctor Who is actually banned in China. The Chinese government don’t like the idea of re-writing of history – this means that all time-travel TV shows and films are banned. The official explanation is that Chinese citizens must not be distracted from reality by fantasy programs.