Big Ben’s 150th anniversary year. Big Ben is the nickname for the great bell of the clock at the north-eastern end of the Palace of Westminster in London. The nickname is often also used to refer to the clock and the clock tower.[2] This is the world’s largest four-faced, chiming clock and the third largest free-standing clock tower in the world. It celebrated its 150th birthday in May 2009, (the clock itself first ticking on 31st May) during which celebratory events are planned…