History
Spelling
Grammar
Vocabulary
Phrases
100
1620
Arrival of the Pilgrims
100
BrE organise
AmE organize
100
AmE: I have a car.
BrE: I’ve got a car.
100
BrE: torch
AmE: flashlight
100
BrE: go on holiday
AmE: take a vacation
200
20th Century
Media & Technology
200
AmE canceled
BrE cancelled
200
BrE: Have you got time?
AmE: Do you have time?
200
BrE: nappy
AmE: diaper
200
BrE: Falling star
AmE: Shooting star
300
1776
Declaration of Independence
300
AmE catalog
BrE catalogue
300
BrE: at the weekend
Ame: on the weekend
300
BrE: break
AmE: recess
300
AmE: Labor Day
BrE: May Day
400
Late 19th–Early 20th Century
Mass Immigration
400
AmE jewelry
BrE jewellery
400
BrE: I have learnt this by heart.
AmE: I have learned this by heart.
400
AmE: eggplant
BrE: aubergine
400
BrE: property
AmE: real estate
500
1828
Noah Webster’s Dictionary
500
AmE: encyclopedia
BrE: encyclopaedia
500
BrE: fill in a form
AmE: fill out a form
500
BrE: dummy
AmE: pacifier
500
AmE: The Big Dipper 
BrE: The Plough