Mandatory Credit: Photo by ANL/REX (1669825a) Absence Is Called For Eton Schoolboys During 4th June Celebrations - 1937. King George Iii's Birthday The 4th June Is Celebrated As A Special Event Which Nowadays Also Marks The Beginning Of The Summer Long Leave Absence Is Called For Eton Schoolboys During 4th June Celebrations - 1937. King George Iii's Birthday The 4th June Is Celebrated As A Special Event Which Nowadays Also Marks The Beginning Of The Summer Long Leave