The caption read: "In the run up to the anniversary of William Shakespeare's birth on 23rd April, @TheRSC invite you to #ShareYourShakespeare and help celebrate the Bard's birthday.
"Follow @TheRSC for inspiration and how to get involved - they will will share some of their favourites on Shakespeare's birthday.
Prince Charles' student days
Prince Charles' student days
UNITED KINGDOM - JANUARY 01: 1969 : Prince CHARLES and fellow students, rehearsing for a revue at Cambridge University, in which the Prince appeared in several sketches. (Photo by Keystone-France/Gamma-Keystone via Getty Images)
Prince Charles, the Prince of Wales, joking around with a set of bagpipes as he appears on stage in a student revue in 'Quiet Flows the Don', at Trinity College, Cambridge University, February 23rd 1970. (Photo by Keystone/Hulton Archive/Getty Images)
(Original Caption) Cambridge, England: Prince Charles "fishes" from a chair during a skit in the Cambridge University revue. Charles appears in four roles in the student production. It is the Prince's final year at the University.
Prince Charles, the Prince of Wales, blowing bubbles on stage as he performs in a student revue called 'Quiet Flows The Don', at Trinity College, Cambridge University, February 23rd 1970. (Photo by Central Press/Hulton Archive/Getty Images)
Prince Charles (left) rehearsing a sketch entitled 'Peycheque Place' - part of the Trinity College, Cambridge review, 'Quiet Flows The Don', Cambridge, 23rd February 1970. Charles, who is a third-year student at the college, is on stage with Leslie Haines and Julian Fellowes (right). (Photo by Douglas Miller/Keystone/Hulton Archive/Getty Images)
20th June 1969: Charles, Prince of Wales relaxing in his study at Cambridge University. (Photo by Hulton Archive/Central Press/Getty Images)
Prince Charles rehearsing with fellow students at Trinity College, Cambridge. Since arriving at the University, he has shown a keen interest in drama. (Photo by PA Images via Getty Images)
Prince Charles slices a loaf of bread in his student kitchen at Trinity College, Cambridge. (Photo by PA Images via Getty Images)
HRH Prince Charles looking at a fruit stall in the market at Cambridge.
Prince Charles leaves Senate House, Cambridge, after receiving his Master of Arts degree from the university. The Prince spent three years from 1967 at Trinity College, Cambridge, reading archaeology, anthropology and history.
Prince Charles on a zebra crossing as he walks down a busy Cambridge street.
23rd February 1970: Charles, Prince of Wales starring in the Trinity College, Cambridge annual revue, 'Quiet Flows The Don'. He blowing bubbles during a parody of weather forecasts called 'Weather Tim Nobler'. (Photo by Douglas Miller/Keystone/Getty Images)
(Original Caption) Prince Charles is shown here as he plays records in his room at Cambridge University.
(Original Caption) Prince Charles studies in front of the window of his room here, at Cambridge University.
(Original Caption) While attending the University here, Prince Charles walks through the streets of Cambridge on a shopping trip.
April 1969: Prince Charles, the Prince of Wales, (1948- ) son of Queen Elizabeth II and Prince Philip, the Duke of Edinburgh, heir to the British throne, seen here in his room at Trinity College when he was an undergraduate. (Photo by Central Press/Getty Images)
(Original Caption) This photo shows Prince Charles, as he practices on his cello in his room at Cambridge University.
Prince Charles receiving a tankard from Mrs Arthur Lucas, following a polo match between Cambridge University and Hertfordshire, 1968. (Photo by Pryke/Express/Getty Images)
Prince Charles, archaeology student at Cambridge University, visiting Jersey to participate in a dig at La Cotte de St Brelade, UK, 2nd April 1968. (Photo by Harry Dempster/Daily Express/Getty Images)
Prince Charles (left) talking to Walter Searle, the church gardener, following a service commemorating the prince's birthday outside Cambridge University Church, Great St Mary's, November 14th 1967. (Photo by Leonard Burt/Central Press/Getty Images)
Prince Charles pictured wearing academic robes out as he begins his first term at Cambridge University, outside Trinity College in Cambridge, October 9th 1967. (Photo by BIPPA/Central Press/Getty Images)
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"Here, The Prince of Wales, President of @TheRSC, plays the lead in 'Macbeth' at 17 years old."
The prince's early love of acting was revealed to modern-day audiences in series three of The Crown on Netflix.
The Prince of Wales was in the Dryden Society – the drama group at Trinity College, Cambridge – as a student. He is said to have written his own material, as well as appeared in plays and sketches.
He read anthropology, archeology and history while at Cambridge and received a 2:2 in his Bachelor degree. He was the first heir apparent to get a university degree, and followed it up with a Master of Arts, also from Cambridge.
The Royal Shakespeare Company (RSC) is asking people to celebrate Shakespeare, despite closed theatres, with pets and even emojis as the Bard's birthday approaches.
The company is planning the "largest ever celebration of Shakespeare by audiences in its history", backed by actor David Tennant.
RSC artistic director Gregory Doran said: "As a global pandemic cuts us off from one another... we need stories now, more than ever before."
The best contributions will be unveiled on 23 April, thought to be the anniversary of the Bard's birth, through a Shakespeare performance "delivered by and for the global community" online.