What annual three day event held near Stamford, Lincolnshire, England, was first organised by the 6th Marquess of Exeter in 1961?
The ans is - Burghley Horse Trials
What annual event, held on a Monday for children and their parents, that was started in 1814 by First Lady Dolley Madison in the grounds of the Capitol, Washington DC, USA, is now held on the White House lawn?
