English royals, Prince Charles and his wife, Camilla, Duchess of Cornall rode the London tube on Wednesday morning in commemoration of the London Underground's 150th birthday.

The London Underground first opened up shop in 1863. Charles and Camilla rode on the Metropolitan line from Farringdon to Kings Cross, reported The Huffingtin Post. Metro.co.uk reported that this was approximately the first time the Prince has been on the tube in 35 years.

The also stopped to see Platform 9 and ¾ from the Harry Potter movies which is now permanently in the New Western Departures Concurse.

On Jan. 9 London Underground celebrated the 150th anniversary. The BBC reported that in commemoration of the anniversary, a steam train from the 19th century has returned to the tube.

Ticket  holders got to travel along part of the original Metropolitan line which is now the Hammersmith and City Line and traveled in a train that was pulled by a steam engine.

Transport for London's website states that the first underground trip took place between Paddington and Farringdon on the Metropolitan Railway.

London Transport Museum and London Underground has an array of events in 2013 that explore the history of the tube and the roll it has in the future.

"The Tube plays a big part in the lives of Londoners, connecting people and places across the capital. 150 Londoners share their stories on the Evening Standard with examples of the positive impact the Tube has had on their lives," reported Transport for London.

Art on the Underground is a program that commisions art at various stations in London. During 2013 there will be a program that includes major commissions by an acclaimed British artist that will bring art to every station, reports TFL.

"It will also commission 15 leading contemporary artists to create an image as one in a set of 15 artworks as a lasting visual legacy for the anniversary. Other activities include screenings of London Underground themed films from the BFI archive at Canary Wharf station, two new Tube map cover commissions and a new project at Gloucester Road station to round off an ambitious year," reports TFL.