Scientists have discovered the longest underground river in the world, in Brazil, running for a length of 6, 000 km at a depth of nearly 4 km.

The longest running White House Peace Vigil | peace vigil in US history, started by activist Thomas ( activist ) | Thomas in 1981.

* 1972 – First edition of the BBC comedy panel game I'm Sorry I Haven't A Clue is broadcast, one of the longest running British radio shows in history.

* The BBS organization ( longest running bbs services site )

The top five longest running Beano comic strips are, in descending order, Dennis the Menace, Minnie the Minx, Bash Street Kids, Roger the Dodger, then the last holder of the title before Dennis, Lord Snooty.

The longest running American comic strips are:

With a running time of 8: 36, it is also the longest song to reach No. 1.

The Edinburgh International Film Festival in the UK was established in 1947 and is the longest continually running film festival in the world.

The longest running fanzine is The City Gent, produced by supporters of Bradford City FC, which first went on sale at Valley Parade in November 1984 and is now in its 26th season.

There are also a number of fanzines to be found in Ireland of which Shelbourne's Red Inc. is the longest running.

It was the longest running number-one single in the UK between 1978 and 1991.

He has been fronting these adverts since 1995, making this one of the longest running advertising campaigns ever.

This census is the longest running census of the Pacific Gray Whale.

The fictional British Secret Service agent has also been adapted for television, radio, comic strip and video game formats as well as being used in the longest continually running and the second-highest grossing film franchise to date, which started in 1962 with Dr. No, starring Sean Connery as Bond.

* 2006 – The world's longest running music show Top of the Pops is broadcast for the last time on BBC Two.

Donations to Lesotho is Ireland's longest running aid programme.

The Loudon Classic, held at the New Hampshire Motor Speedway ( formerly Bryar Motorsport Park and New Hampshire International Speedway ) is the longest running motorcycle race in the United States, and is held every year on Father's Day.

The longest running radio program in the country, the Grand Ole Opry, has aired on Saturday night since its inception in 1925.

* 1963 – The BBC broadcasts the first ever episode of Doctor Who ( starring William Hartnell ) which is the world's longest running science fiction drama.

Many visitors to Nashville attend live performances of the Grand Ole Opry, the world's longest running live radio show.

On June 3, 1981, Thomas launched the longest running peace vigil in US history at Lafayette Square in Washington, D. C ..

It is now published by ACP Magazines and is the longest running international edition.

The Norwegian soap opera Hotel Cæsar has been broadcast on TV 2 since 1998, making it the longest running television drama in Scandinavia.

New episodes are still being produced in Germany, making it one of the longest running animated series in the world.

This closed in 1861 and was immediately replaced by the longest running paper, the St Helena Guardian ( weekly, 1861 – 1925 ).

The Bonanza has had the longest production run of any airplane, past or present, in the world.

Richard Burton received his third Tony Award nomination when he played his second Hamlet, his first under John Gielgud's direction, in 1964 in a production that holds the record for the longest run of the play in Broadway history ( 136 performances ).

She played Lady Macbeth on Broadway opposite Maurice Evans in a production directed by Margaret Webster that ran for 131 performances in 1941, the longest run of the play in Broadway history.

It has aired at that time since, for 36 years, making 60 Minutes not only the longest-running prime time program currently in production, but also the television program ( excluding daily programs such as evening newscasts or breakfast shows ) broadcasting for the longest length of time at a single time period each week in U. S. television history.

He then put his stage career on the back burner to concentrate on film, although he received a third Tony Award nomination when he reprised his Hamlet under John Gielgud's direction in 1964 in a production that holds the record for the longest run of the play in Broadway history ( 136 performances ).

An important and the longest part of the production of the Le Gruyere Switzerland AOC is the " affinage " ( French for maturation ).

The longest running Broadway production was the 1935 Theatre Guild adaptation with husband and wife Alfred Lunt ( who also directed ) and Lynn Fontanne, which ran for 129 performances.

The original production ran for 2, 844 performances, the longest running musical for its time, and was later revived three times.

Of all the factors of production, knowledge capital creates the longest lasting competitive advantage.

The Leitra is currently the velomobile which has been in commercial production for the longest period of time — since 1983.

A very successful director of musicals, in the non-subsidised sector, Nunn directed the musical Cats ( 1981 ), formerly the longest running musical in Broadway's history, and the first English production of Les Misérables in 1985, also with John Caird, which has been running continuously in London since opening.

After moving to the Casino Theatre ) on Broadway in 1900, the spectacle ran for an astonishing 552 performances – the first instance of a London production achieving such a Broadway run, and only the third longest run on Broadway of any theatre piece up to that time.

In December 1994 the London production became the Theatre Royal's ( Drury Lane ) longest running musical, eclipsing the record set by My Fair Lady.

By the time production ceased, the Peugeot 106 was one of the longest running production cars still made in Europe but it was still proving fairly popular, especially in its home market of France.

* A rectifier vacuum tube manufactured from the mid-1920s through the mid-1980s, the longest production run of any American vacuum tube.

The Ravenscraig plant had one of the longest continuous casting, hot rolling, steel production facilities in the world before it was decommissioned.

The C-130 family has the longest continuous production run of any military aircraft in history.

This was the longest ever distance travelled on of fuel and earned it a place in the Guinness Book of Records as the most economical production car.

The longest known Pit Stop occurred during the first U. S. season when production was forced to relocate the Pit Stop in Tunisia due to a sandstorm.

The new company, initially Bonneville Coventry Ltd, ensured that Triumph has produced motorcycles since 1902, winning it the title of the world's longest continuous production motorcycle manufacturer.

The Volkswagen Type T2 is by far the longest model run in Brazil, having been introduced in September 1950 as the Volkswagen " Kombi ", a name it has kept throughout production.

Wildstorm Comics was ahead of the curve, Marvel came around a few years later, and DC held to traditional production methods the longest, but now nearly all lettering is digitally applied.

Terence Frisby's There's a Girl in My Soup, opening in 1966, ran for 1, 064 performances at the theatre, a record that was not surpassed until Andrew Lloyd Webber's production of the Olivier Award-winning comedy Daisy Pulls It Off by Densie Deegan opened in April 1983 to run for 1, 180 performances, the theatre's longest run.