Idiom
See below some information from Wikipedia on the equivalent idioms between British English and American English.
Dates and Times
Dates and times also have a lot of differences and can be laid out a lot different. Check out this wikipedia post on this.
Some of our later blogs will be going into more detail of each section of the difference between American and British English. We hope you gained some knowledge from the brief overview of the differences as a whole and make sure to check out our individual blogs.