Insert missing commas : A large storage tank burst and se | 📣 Quiz Masters 🇬🇧

Insert missing commas :

A large storage tank burst and sent a great flood of molasses through the North End neighbourhood of Boston Massachussets on 15 January 1919.

Answer: A large storage tank burst and sent a great flood of molasses through the North End neighbourhood of Boston, Massachussets, on 15 January 1919.

TIP for both cases: The state or country name is separated by comma from the city and from the rest of the sentence.