In the 2016 prospectus we published that in 2014, 215 students were admitted to study BA History at King's. The number of applicants per place in 2014 was 5.
No there isn't an interview for BA History at King's, we'd recommend using your personal statement to explain why you are passionate about History and why you would like to study the course at King's. For more information on the entry requirements you can follow this link https://www.kcl.ac.uk/prospectus/undergraduate/index/name/history/alpha/H/header_search/