19 April - The Duchess of Cambridge will host runners from Team Heads Together at Kensington Palace as they get ready for the 2017 London Marathon.
20 April - The Duke and Duchess of Cambridge and Prince Harry will officially open The Global Academy in support of Heads Together.
23 April - The Duke and Duchess of Cambridge and Prince Harry will attend the Virgin Money London Marathon in support of Heads Together.
11 May - The Duchess of Cambridge will visit Luxembourg and attend the commemoration of the 1867 Treaty of London, which confirmed Luxembourg’s independence and neutrality.
13 May - The Duke & Duchess & Prince Harry will host a tea party at Buckingham Palace for children of those who have died serving in the Armed Forces.
20 May - The wedding of Pippa Middleton to James Matthews at St Mark's Church, Englefield. Prince George will be a page boy and Princess Charlotte will be a bridesmaid.