The Battle of Britain (German: "Luftschlacht um England" , literally "the air battle for England") was a military campaign of the Second World War, in which the Royal Air Force (RAF) defended the United Kingdom (UK) against large-scale attacks by the German Air Force (Luftwaffe).
 It has been described as the first major military campaign fought entirely by air forces.
Potosina 200 is a NASCAR Toyota Series race.
 San Luis Potosí is the venue with most races of NCS with 18.
 Germán Quiroga is the most successful driver with 5 victories, 4 in the new oval.
A flying ace or fighter ace is a military aviator credited with shooting down five or more enemy aircraft during aerial combat.
 German day and night fighter pilots claimed roughly 70,000 aerial victories during World War II, 25,000 over British or American and 45,000 over Soviet flown aircraft.
 103 German fighter pilots shot down more than 100 enemy aircraft for a total of roughly 15,400 aerial victories.
 Roughly a further 360 pilots claimed between 40 and 100 aerial victories for round about 21,000 victories.
 Another 500 fighter pilots claimed between 20 and 40 victories for a total of 15,000 victories.
 According to Obermeier, it is relatively certain, that 2,500 German fighter pilots attained ace status, having achieved at least 5 aerial victories.
 453 German day and "Zerstörer" (destroyer) pilots received the Knight's Cross of the Iron Cross.
 85 night fighter pilots, including 14 crew members, were awarded the Knight's Cross of the Iron Cross.
 The list is sorted by the number of aerial victories claimed at night.
Arthur Eyguem De Montaigne Jarvis (30 November 1894 - 20 January 1969) was a Canadian World War I flying ace credited with 5 victories.
Robert Kenneth Whitney DFC (6 December 1898 - 1983) was a Canadian First World War flying ace, officially credited with 5 victories.
Lynette (Lyn) Ann Larsen (born 3 February 1963 in Lismore, New South Wales) is a former Australian woman cricketer.
 She was captain of the Australian women's cricket team from 1985/6 to 1993.
 She captained the side in 10 Test matches, including 5 victories.
 The number of Test matches in which she was captain, number of matches won, and percentage of victories, are all records for Australia.
 She also captained the side in 39 Women's one-day internationals, winning 27 and losing 10, including winning the Women's Cricket World Cup in 1988.
The Swiss National Road Race Championships are held annually.
 They are a cycling race which decides the Swiss cycling champion in the road racing discipline, across several categories of rider.
 The event was first held in 1892 and was won by Edouard Wicky.
 Ferdinand Kübler and Heiri Suter share the record of 5 victories.
 The current champion is Danilo Wyss.
List of World War I aces credited with 5 victories
Karol Pniak (26 January 1910 – 10 November 1980) was a Polish World War II flying ace of the Battle of Britain.
 Originally a pilot for the Polish Air Force in the September Campaign of 1939, he later flew with No. 32 Squadron of the Royal Air Force, during the Battle of Britain, where he was known by the nickname "Cognac."
 Karol Pniak claimed five victories in the Battle.
The Derby di Sicilia or Sicilian Derby in English, is a local derby between Italian football clubs Calcio Catania and U.S. Città di Palermo.
 Catania and Palermo are the two main cities on the island of Sicily, and the teams are fierce rivals.
 However, they have seldom played each other within the Italian football league system, because in many seasons they have played in separate divisions of the league.
 The first time the Sicilian derby took place in the context of league football was on November 1, 1936, at Palermo in Serie B level; it ended in a 1–1 draw.
 The Sicilian derby has been played 10 times in Serie A: Catania leading their rivals by 5 victories to Palermo's 4; the other occasion was drawn.
 The teams have also met in local Sicilian competitions, and friendly matches.

Question: In which war did "Cognac" claim 5 victories?
Answer: Second World War