How many times did leyton orient fc play at wembley?
3 in total;
Two league games whilst their ground was being re-turfed,
22-Nov-1930 and 6-Dec-1930.
Third division play-off final, 1999.
They would have played again in the 2001 play-offs, but Wembley
was being rebuilt, so the game was played at Cardiff's Millenium
Stadium.