When did the diamond jubilee start?

The Diamond Jubilee of Queen Elizabeth II began on February 6, 2012, marking the 60th anniversary of her accession to the throne. Celebrations took place throughout the year, culminating in a weekend of festivities from June 2 to June 5, 2012. The events included a Thames Diamond Jubilee Pageant, a concert at Buckingham Palace, and a service of Thanksgiving at St. Paul's Cathedral.