It’s the day when we celebrate women, big or small, but who deserves the title as the most inspirational woman of all time?

Today marks International Women’s Day 2017, when the world celebrates female achievement and highlights the plight of global women’s issues.

Unsurprisingly, a recent UK poll revealed 48% of women believe their mothers are the most inspiring woman they know.

The study also showed that the majority of us agree that this decade is the best time to be a women – and we couldn’t agree more. But which women topped the list as the most inspiring of the last seven decades?

A study, commissioned by Foxy Bingo, reveals the late Princess Diana the title of ‘most inspirational woman of all time’, ahead of formidable female figures in history like Britain’s first female Prime Minister Margaret Thatcher.

Here’s a breakdown of which women topped the list for each decade over the last 70 years.

1950s – Elizabeth Taylor

Not only was Elizabeth Taylor a popular Hollywood starlet she was also a passionate humanitarian and AIDs campaigner, setting up the Elizabeth Taylor AIDs Foundation in 1991.

1960s – Twiggy

The poster child of the swinging sixties, Twiggy became the world’s first supermodel.

1970s – Dusty Springfield

The British singer had a career that spanned four decades and spawned hits like ‘I just don’t know what to do with myself’ and ‘You don’t have to say you love me’.

1980s – Princess Diana

A woman who needs no introduction is Princess Diana, dubbed the people’s Princess, she is known and celebrated worldwide for her humanitarian work for a number of causes.

1990s – The Spice Girls

Girl power became cool when the Spice Girls burst onto the pop scene in the 90s, paving the way for modern day pop singers like Adele (yes, she’s a fan).

2000s – JK Rowling

She’s sold millions of books worldwide and created one of the most well loved fictional characters of all time.

2010s – Malala Yousafzai

A young woman who has overcome tragedy and terror, at the tender of age of 17 Malala was awarded the Nobel Peace prize for her work as an activist for women’s rights around the world.