Which of these soft drinks is the oldest?

1885 – Dr Pepper. Well known throughout the world, Dr Pepper is probably the oldest “famous” drink and was first made available in 1885.

Dr Pepper is a carbonated soft drink marketed as having a unique flavor. The drink was created in the 1880s by Charles Alderton in Waco, Texas and first served around 1885. Dr Pepper was first nationally marketed in the United States in 1904, and is now also sold in Europe, Asia, Canada, Mexico, Australia, and South America, as well as New Zealand and South Africa as an imported good. Variants include a version without high fructose corn syrup, Diet Dr Pepper, as well as a line of additional flavors, first introduced in the 2000s.

1886 – The world's biggest brand, Coca Cola, made its debut.

1898 – When Pepsi was first produced.

1901 – Irn-Bru was first produced, in the town of Falkirk, under the name Iron Brew.