honor killings

The following is a current news article from the BBC about the Taliban enforcing their own version of religious law in Afghanistan:

http://news.bbc.co.uk/2/hi/south_asia/7997749.stm

This type of execution is described in the following paragraph:

Extrajudicial "honor killings" have been widely carried out in Afghanistan since then by conservative families angered by a relative who has brought them shame - usually by refusing to marry a chosen partner.

When the Taliban are described as enforcing a “middle ages existence” this type of behavior is referenced as an example. Was this a common practice in Europe during the middle ages?