Look Back at the Queen's Most Memorable Moments by Decades

It's hard to comprehend all that the queen has experienced since she was born on April 21, 1926 — from the second World War to the invention of the Internet, the first African-American US president to the first female UK prime minister, and space exploration to the birth of the digital age. To commemorate her majesty's 90th birthday, we're taking a look at some of the key moments from each of her nine decades, both publicly and privately.

1930s
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1930s

The young Princess Elizabeth had a relatively carefree upbringing — her fate as future queen wasn't set until her uncle King Edward VIII's abdication.

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A 10-year-old Elizabeth with little sister Margaret; their mother, Queen Elizabeth; and the family Corgis in 1936, the year her father became king.

Getty | Mondadori

At her father King George VI's coronation in 1937.

1940s
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1940s

One year into WWII, at the age of 14, Princess Elizabeth addressed the children of the nation in her first radio broadcast.

Getty | Lisa Sheridan

Playing Aladdin alongside sister Margaret in a pantomime at Windsor Castle in 1943.

Getty | Popperfoto

Training as a mechanic in the Auxiliary Territorial Service in 1945.

Getty | Popperfoto

The wedding of Princess Elizabeth and Prince Philip in 1947.

Getty | Popperfoto

Prince Charles was born in 1948.

1950s
Getty | Keystone

1950s

Four generations of royal women: baby Princess Anne with Queen Mary, the queen, and the queen mother in 1950.

Getty | AFP

Greeted by Prime Minister Winston Churchill as the newly acceded Queen Elizabeth II returned to the country following the death of her father.

Getty | STF

The coronation of Queen Elizabeth II in 1953.

Getty | Bentley Archive/Popperfoto

The first-ever televised Christmas message in 1957.

Getty | Derek Berwin

Pregnant with Prince Edward in 1963.

Getty | Hulton Archive

The queen allowed TV cameras behind palace walls for the 1969 documentary Royal Family.

1970s
Getty | Fox Photos

1970s

On the balcony of Buckingham Palace at her Silver Jubilee in 1977.

Getty | Hulton Archive

With her first grandchild, Peter Phillips, in 1977.

Getty | Anwar Hussein

With Margaret Thatcher — the UK's first female prime minister — in 1979.

1980s
Getty | Tim Graham

1980s

Her relationship with Princess Diana was strained.

Getty | Anwar Hussein

With the new second in line to the throne; Prince William's christening in 1982.

Getty | Anwar Hussein

A landmark visit to China in 1986 — the first for a reigning British monarch.

1990s
Getty | Tim Graham

1990s

Witnessing the fire damage at Windsor Castle in 1992.

Getty | WALTER DHLADHLA

Celebrating South Africa's reentry to the commonwealth following the end of apartheid with Nelson Mandela in 1995.

Getty | JOHN STILLWELL

Walking among the floral tributes outside Buckingham Palace following the death of Diana in 1997.

Getty | Tim Graham

Emotional at the decommissioning of the Royal Yacht Britannia in 1997.

2000s
Getty | Anwar Hussein

2000s

Welcoming in the millennium at midnight with a kiss from Prince Philip.

Getty | Pool/Tim Graham Picture Library

Visiting a UK mosque for the first time in 2002.

Getty | Pool

Celebrating her son Prince Charles's marriage to Camilla Parker-Bowles in 2005.

2010s
Getty | Oli Scarff

2010s

A historic first visit to Ireland in 2011.

Getty | WPA Pool

William and Kate's wedding in 2011.

Getty | WPA Pool

With Barack Obama, the first African-American US president, in 2011.

Getty | Pool

Attending the opening ceremony for the Olympic Games in 2012.

Getty | Danny Martindale

The queen with the first, second, and third in line to the throne at Trooping the Colour 2015.

Getty | Max Mumby/Indigo

On the day Queen Elizabeth II became the longest reigning monarch in British history, Sept. 9, 2015.