|The official picture of the Queen on her accession to the throne in February 1952. (Getty Images)|
The celebrations started in February 2012, but the most important events will take place between the 2nd and 5th of June. One of the most colourful will be the Thames Diamond Jubilee Pageant, a spectacular ceremony in which more than a thousand boats will accompany the Queen’s barge: it will be one of the largest flotillas ever assembled on the river Thames.
|Image by Katybird in Flickr|
The following video summarises the life of Queen Elizabeth with its ups and downs. You can answer the questions after watching it.