So what happen next?
1.January 2012-Anticipated deadline for bidders to submit proposals to become stadium tenants.West Ham remain the favourites.
2.February/march 2012-decision expected on who the new tenants will be at the Olympic Stadium.
3.July 27-August 12 2012-London Olympic Games.
4.August 29-September 9 2012 Paralympic Games.
5.September 2012-work begins on reducing 80.000-capacity stadium to 60.000-seater venue.
6.Augusts 2014-Football tenant expected to start life in new stadium.
Olympic Stadium timeline
MARCH 2006
London mayor,Ken livingstone says;The deal we made is that its an athletics stadium and we have a legally-binding contract.
NOVENBER 2007
Leyton Orient Chairman,Barry Hearn,confirms club have begun preliminary talks about moving into the stadium''We believe that we are in an excellent position with regards to our location.''
MAY 2008
Construction work begins on the Olympic Stadium.
JANUARY 2010
West Ham co- owner David Sullivan confirms the club want to leave Upton Park for the Olympic Stadium.
AUGUST
Bidding process open for use of the stadium after the 2012 Games.
SEPTEMBER
London 2012's key pledge to the IOC in 2005 to downsize the stadium to 25,000-seater athletics venue is ''flawed'', according to London assembly's Economic Development, Culture and Tourist Committee report.
OCTOBER
Tottenham reveal they are making a joint bid with AEG to move into stadium.Uk athletics announce formal support for West Ham's bid which would retain the running track.
NOVEMBER
London's bid to host 2015 World Athletics Championship is abandoned over un certain future of the stadium.Tottenham and West Ham are shortlisted as two final bidder to take over the stadium after Olympics.
JANUARY 2011
Tottenham confirm,if successful,they would knock down stadium and replace it with 60,000-capacity football venue and build an athletics venue at Crystal Palace.Lord Coe claims there is a ''moral obligation'' for a multi-sport facility at the stadium and IOC president Jacques Rogga says he favours the retention of running track after the Games.
FEBRUARY
West Ham announced as prefered bidder for the stadium.
JUNE
Spurs and Leyton Orient have bids for a review of the decision rejected.
OCTOBER
Deal to award West Ham the stadium collapses amid concerns over delays caused legal dispute.
(Evening standard)