In equal parts as a lime and not a lemon drink, it's known as the Raffles Hotel Sling. During Jared Brown's seminar at Tales of the Cocktail, he attributed the earliest written record of that at Singapore Cricket Club in 1913 which was 5 years after gin arrived in Singapore in 1908. Seminar notes: https://cocktailvirgin.blogspot.com/2018/05/singapore-sling.html