The British monarch reigned over the United Kingdom for 70 years.

She died peacefully on Thursday afternoon at her Scottish residence Balmoral Castle.

The announcement was made via the British royal family’sofficial Twitter account.

Queen Elizabeth II

Queen Elizabeth II.Samir Hussein/WireImage

She is succeeded by her eldest son, Charles.

At this time Elizabeth became the heir presumptive.

Elizabeth gave birth to her first child, Prince Charles, on Nov. 14, 1948.

Queen & Duke of Edinburgh Diamond Wedding Anniversary

Prince Philip and Queen Elizabeth II.Tim Graham/Getty Images

Queen Elizabeth II’s coronation took place on June 2, 1953.

She celebrated her Platinum Jubilee, marking 70 years on the throne, earlier this year.

The milestone was commemorated throughout her realms, the wider Commonwealth, and beyond.

On television, both Claire Foy and Olivia Colman have portrayed the Queen on Netflix’sThe Crown.

Imelda Staunton is set to play her in the upcoming fifth season of the streaming giant’s regal drama.

“We mourn profoundly the passing of a cherished Sovereign and a much-loved Mother.