1985: English teams banned after Heysel

The Prime Minister, Margaret Thatcher, supported the ban which was announced by FA officials outside Number 10 Downing Street and called for tougher sentences on convicted football hooligans.

"We have to get the game cleaned up from this hooliganism at home and then perhaps we shall be able to go overseas again," she said. 

Read more here:
http://news.bbc.co.uk/onthisday/hi/dates/stories/may/31/newsid_2481000/2481723.stm