On 6 September 1948, her mother Juliana succeeded her grandmother Wilhelmina as Queen of the Netherlands, and Beatrix became the heiress presumptive to the throne of the Netherlands at the age of ten.
La 6 septembrie 1948, mama sa, Iuliana, i-a succedat bunicii sale Wilhelmina ca regină a Olandei, iar Beatrix a devenit moștenitoare prezumptivă a tronului Olandei la vârsta de zece ani.