Why 6 May is a significant date in royal history (and it’s not only because of the Coronation)

There were many firsts attributed to Princess Margaret’s wedding to Antony Armstrong-Jones (created Earl of Snowdon on the day) on 6 May 1960. Not only was it the first time that a King’s daughter had married a ‘commoner’ in 400 years, it was also the first ever royal wedding to be televised (300 million watched it from across the globe), and saw Margaret herself wearing a tiara that she had purchased, rather than one from the family collection.

Margaret wore a silk organza dress…