Criteria

What makes an important event/person/idea?

 * Achievements (Was this an achievement of a single person? An achievement of society?)
 * The number of people effected and how they were effected (How many? How much were they effected? How did they feel about it?)
 * Connection to us (Did this event/person/idea connect to us somehow? As a country? You individually?)
 * Popularity (Did a lot of people know? Did they like the event/person/idea? Did they hate it?)
 * Power (Was the person a powerful and influential person? Did the event or idea relate to someone who is powerful?)
 * Change (Did the idea/person/event change life? Did it change our culture? Did it change society? Did it have a long lasting effect?)

Items
Tready of versiailles Woman being able to vote The car new devices; poping toaster, electric fridge, washing machine, electric stove The great crash The Talkies The Winipeg Strike Slang <span style="font-family: 'Arial Black',Gadget,sans-serif; font-size: 150%;">Immigrants <span style="font-family: 'Arial Black',Gadget,sans-serif; font-size: 150%;">Prohibition <span style="font-family: 'Arial Black',Gadget,sans-serif; font-size: 150%;">Women Started To Smoke <span style="font-family: 'Arial Black',Gadget,sans-serif; font-size: 150%;">Ford Model T <span style="font-family: 'Arial Black',Gadget,sans-serif; font-size: 150%;">Flapper <span style="font-family: 'Arial Black',Gadget,sans-serif; font-size: 150%;">Electricity in more houses <span style="font-family: 'Arial Black',Gadget,sans-serif; font-size: 150%;">Nelly McClung <span style="font-family: 'Arial Black',Gadget,sans-serif; font-size: 150%;">Depression Starts <span style="font-family: 'Arial Black',Gadget,sans-serif; font-size: 150%;">Teachers Contract