Claim: One Direction is an English-Irish boy band whose single, "What Makes You Beautiful" ranked 1st in the UK and Irish chart in 2011
Evidence: One Direction, often shortened to 1D, are an English-Irish pop boy band formed in London, England in 2010. "What Makes You Beautiful" performed considerably well worldwide, but especially so in the British Isles, debuting at number 1 on the Irish Singles Chart on 15 September 2011; its B-side, "Na Na Na" also entered at number 27. It entered the UK Singles Chart at number 1 on 18 September 2011, shifting 153,965 copies that week—the highest first-week UK sales for any song in 2011 at the time.