These timelines would be a great idea for class assignments
Go to http://xtimeline.com/
Create a login, select create and enter a title for the timeline.
Fill in the other details , select private setting and press create at the bottom of the screen.
Click Add Event, enter the details for the first event and then save.
Click View Timeline to view and it gives you the option to Embed.
Just copy the code and paste it in as a widget onto the wikispace. Easy!