The ceremony will also honor the 24 underground workers, known as sandhogs, who have died working on the tunnel.
22.
London Underground workers will vote on whether to stage a strike because of safety concerns, a union said Friday.
23.
The strike was called by ASLEF, the Associated Society of Locomotive Engineers and Firemen, which represent 2, 000 Underground workers.
24.
The MFGB participated in the 1906 Royal Commission on mines'safety and by 1908 had secured an eight-hour day for underground workers.
25.
Underground workers brought the Tube to a halt with a 24-hour strike last month, and also staged two daylong strikes last year.
26.
As a death rate quoted for miners, the statistics were believed understated because they included surface workers as well as underground workers.
27.
On 26 June 1957 an explosion at the colliery caused the death of 6 underground workers and severe burning to 14 others.
28.
But talks in a separate pay dispute involving London Underground workers that is being brokered by the same union ground to a halt Thursday.
29.
Millions of commuters face delays and misery next month after London Underground workers voted Thursday to stage two one-day strikes in a dispute over pay.
30.
London Underground workers have staged two 24 hour strikes in recent weeks to protest a 3 percent pay increase, which the unions call too low.
