Quand (when)

"quand" means when. Here are examples that will help you understand how to use "quand". It is the same as in English:

• Quand es-tu parti ?
  When did you leave?
• Quand reviendras-tu ?
  When will you be back?
• Quand a eu lieu la bataille de Waterloo ?
  When did the battle of Waterloo take place?