Britain's longest-reigning monarch has seen a big rise in life expectancy since her birth in 1926.
It's a demanding job, but all indicators suggest that the Queen is still up to it.
The British monarchy is in good shape. Here's how to make sure it stays that way.
Charles I attempts to arrest five members of Parliament in 1642.
Charles West Cope/Wikimedia Commons
The idea that only Parliament should set British laws emerged to protect the people from the King.
Ask her, Michael, go on, ask her.
Picking and choosing your constitutional conventions can be more trouble than it's worth.
Vladimir Wrangel / Shutterstock.com
The tiltyard – like the football pitch – was an important arena in which men could demonstrate their prowess in front of a vast audience.
The question of who will replace the Queen as Head of Commonwealth is not as simple as it sounds.
Off to award some knighthoods.
Why our honours system is a great thing to have.
AbaThembu King Buyelekhaya Dalindyebo is fighting a 12-year jail sentence for arson and other crimes.
By challenging the courts, King Dalindyebo is testing the degree of impunity with which traditional leaders can get away.
63 not out.
The Queen has now been on the throne for 63 years and 217 days. As the embodiment of Britain, it has been certainly been a role that's out of the ordinary.
Best for business.
Having a Queen is a distinct business advantage, particularly due to reverence for the monarchy in new and emerging markets like China.
Remembering the past at the Magna Carta memorial at Runnymede.
Tim Ockenden /PA EDI
Only three of the original 63 clauses remain in force today, but the legacy of Magna Carta runs much deeper.
The Duke of Windsor inspecting SS soldiers in 1937.
Aktuelle-Bilder-Centrale, Georg Pahl (Bild 102)
Members of the British royal family were far closer to Nazi Germany during World War II than has previously been recognise, Russian and Spanish archives suggest.
Thai Prime Minister Prayuth Chan-ocha shows little sign of listening to growing public opposition to his military junta’s authoritarian rule.
A year ago, a military coup toppled Thailand's elected government. The junta promised elections once a new constitution is adopted, but its authoritarian rule betrays a hostility to real democracy.
Forward in defence of the Patagonian toothfish!
The Prince has views on defence procurement, badger culling and the Patagonian toothfish. Should we care?
£275,000 for your thoughts?
The British public have come to expect impartiality from the monarchy under Elizabeth II.
The retrospective nature of the changes to the rules of succession means it ultimately made no difference whether the Duke and Duchess of Cambridge’s first born was a boy or girl.
The Crown has become a little less discriminatory with changes to the rules of succession – and descendants of George II who failed to get permission to wed need no longer fear their marriage is void.
Gone is the winter of our discontent.
Shakespeare has largely shaped our understanding of the king – and all the while the real Richard lay entombed in a carpark.
You don’t wanna mess with crooked King John.
The British Library has just staged an exclusive one-day exhibition. The four earliest surviving copies of the original Magna Carta were brought together for an audience of 1,215 people, selected by public…
The stock pantomime villain.
This summer in June, the Queen will retrace King John’s steps along the three-and-a-half miles from Windsor Castle to Runnymede to commemorate the 800th anniversary of the revered document that came to…