The longest documented range at which a tank has scored a hit on another is 4.1 km (2.54 miles) by a British Challenger tank of the Royal Scots Dragoon Guards during the land offensive of the Gulf War (24 to 28 February 1991). The Iraqi tank was a Russian-made T-55.

The longest running agricultural experiment in the world is the Broadbalk Experiment, Rothamsted, Hertfordshire, UK. It has continuous data from 1843 to present day. Its aims have been to measure the effects of fertiliser on crops.

The UK’s Last of The Summer Wine (BBC) finished in 2010 after 37 years and 31 series (every episode written by Roy Clarke, the world’s most prolific writer of sitcoms).

Doctor Who (BBC, UK) has chalked up 769 episodes as of June 2010, encompassing 212 storylines including a full-length TV movie. This total does not include spoofs, spin-offs or webisodes.

The longest running daily cartoon strip by a single author is “Bristow”, by Frank Dickens (UK), which has been in continuous publication since first published in the Aberdeen Press and Journal on 18 September 1961. Currently, it appears in the Melbourne Herald and in the Sydney Morning Herald. Bristow is a buying clerk (18th in line for Chief Buyer!) with the monolithic Chester-Perry organisation. He is unmarried, of uncertain age, and an ineffectual rebel. Although he dislikes his job intensely he would fight to keep Continue reading →

The longest running comedy show with the same cast is “Comedy to Go” by the Comedy Store Players (UK). Starting in 1985, this 25-year-old improvised show still has the original cast line up and is held in the same venue, The Comedy Store, in London, UK, as of 2010. The shows started on 27th October 1985 and additionally started on Wednesdays in October 1989. Originally called the Sunday Improvisation shows, the Comedy store Players consists of Paul Merton (previously Paul Martin), Neil Mullarkey, Josie Lawrence Continue reading →

Women’s magazine, The People’s Friend, is the longest running women’s magazine, having been first published in 1869. The magazine celebrates its 140th anniversary in January 2009.

The longest running vault-to-vaulted handstand is 2.22 m (7 ft 3 in) and was achieved by Scott Fidgett (UK) at Basingstoke Active Life Centre, Basingstoke, Hampshire, UK, on 8 September 2010. Scott is a member of the parkour team, 3Run. He vaulted a gymnastic vault and landed on another in a handstand position.

The longest running vault to vault (standing) is 2.57 m (8 ft 5 in) and was achieved by Michael Wilson (UK) at Basingstoke Active Life Centre, Basingstoke, Hampshire, UK, on 8 September 2010. The longest running vault to vault (standing) is 2.57 m (8 ft 5 in) and was achieved by Sam Parham (UK) at Basingstoke Active Life Centre, Basingstoke, Hampshire, UK, on 8 September 2010. Michael and Sam members of the parkour team, 3Run.

The longest scarf knitted by a team measures 54.29 km (33.74 miles). It was knitted by the volunteers, friends and supporters of Ty Hafan – The Children’s Hospice in Wales. Work started in May 2002 and the scarf was measured at the Millennium Stadium in Cardiff, Wales, UK on 23 June 2005.