Question: Consider the racer for whom the bend at the 26th Milestone, Isle of Man is dedicated. When were they born?

Context paragraphs:
Joey Dunlop: William Joseph Dunlop, OBE (25 February 1952 – 2 July 2000), was a world champion motorcyclist from Ballymoney in Northern Ireland.  In 2016, he was voted the 2nd greatest motorcycling icon ever, one behind Valentino Rossi by "Motorcycle News".  His achievements include three hat-tricks at the Isle of Man TT meeting (1985, 1988 and 2000), where he won a record 26 races in total.  Dunlop's name is amongst the most revered by fans of motorcycle racing.  This iconic stature, coupled to Dunlop's somewhat shy and unassuming persona, has led to him being seen as a true working class hero.  Such attributes deeply endeared him to fans of motorcycling across the world.  During his career he won the Ulster Grand Prix 24 times.  In 1986, he won a fifth consecutive TT Formula One world title.

Whitegates, Isle of Man: Whitegates, a left-curve, is situated adjacent the 24th Milestone road-side marker on the Snaefell Mountain Course used for the Isle of Man TT Races and the 15th Milestone on the primary A18 Snaefell Mountain Road in the town of Ramsey, Isle of Man in the Isle of Man.

Sarah's Cottage, Isle of Man: Sarah's Cottage (Manx: "Vaish" or Ballavaish) is one of the named corners of the Snaefell Mountain Course used for the Isle of Man TT races.  It is situated between the 9th and 10th Milestone road-side markers at Ballavaish on the primary A3 Castletown to Ramsey Road in the parish of German in the Isle of Man.  A right-turning bend on the course, turning from a north-west direction to the north-east, it precedes Creg Willey's and Lambfell, (also known as Lambfell Moar).

Signpost Corner, Isle of Man: Signpost Corner, Isle of Man is a road junction situated between the 36th Milestone and 37th Milestone road-side markers on the Snaefell Mountain Course on the primary A18 Bemahague Road and the secondary B11 Avondale Road in the parish of Onchan in the Isle of Man.

26th Milestone, Isle of Man: 26th Milestone, Isle of Man (also known as "Joey’s") is situated on the primary A18 Snaefell Mountain Road in the parish of Lezayre in the Isle of Man.  At the 26th Milestone racing marker used for the Isle of Man TT Races and Manx Grand Prix, the bend was named in honour of 26-times TT winner Joey Dunlop who died after a racing motorcycle crash in Estonia in July 2000.  The area is the location of the only accident in which spectators at the Isle of Man TT races or Manx Grand Prix have been killed in a motorcycle racing accident.

Gorse Lea: Gorse Lea (Manx: "Ballagarraghyn farm of O'Dorgan" ) section of road is situated between the 7th Milestone and 8th Milestone road-side marker on the Snaefell Mountain Course used for the Isle of Man TT Races on the primary A1 Douglas to Peel road in the parish of German in the Isle of Man.

11th Milestone, Isle of Man: 11th Milestone, Isle of Man (previously 'Drinkwater's Bend') is situated between the 11th and 12th Milestone racing road-side markers on the Snaefell Mountain Course used for the Isle of Man TT races on the primary A3 Castletown to Ramsey Road which forms the boundary between the parishes of German and Michael in the Isle of Man.

Doran's Bend: Doran's Bend is situated between the 7th and 8th Milestone road-side markers on the Snaefell Mountain Course used for the Isle of Man TT Races on the primary A3 Castletown to Ramsey road in the parish of German in the Isle of Man.

Gooseneck, Isle of Man: Gooseneck, Isle of Man (in Manx: "Roan – the reddish land" ), is an acute uphill right-bend on the Snaefell Mountain Course used for the TT motorcycle races between the 25th and 26th Milestone racing road-side markers, on the 37+ mile circuitous-course, measured from the startline at the TT Grandstand.

Keppel Gate, Isle of Man: Keppel Gate, Isle of Man (archaic| Kippal Gate) is part of a former UK Crown Receiver estate including a series of former highway gates is now Common land in public ownership and is one of three purpose built section of the A18 Snaefell Mountain Road used for the Isle of Man TT races.  The area of Keppel Gate including a nearby private residence of Kate's Cottage at the adjacent 34th TT Milestone road-side marker is located between the 4th Milestone and 5th Milestone road-side markers on the primary A18 Snaefell Mountain Road in the parish district of Kirk Onchan in the Isle of Man.

Supporting paragraphs: 26th Milestone, Isle of Man Joey Dunlop
Answer: 25 February 1952