First Declaration of Independence was proclaimed in Philadelphia July 8, 1776 . Liberty Bell , who called on the inhabitants of this proclamation and become the main symbol of independence. This bell was made by Thomas Lister in his London studio . It was intended to celebrate the 50th anniversary of the Charter of privileges from William Penn in 1701 . His weight was 907 kg. In 1752 he was brought to Philadelphia , but fixed it only after a year . Once installed, it is a crack and had to be remelted two times. But even then , he has cracked again , calling the celebration of the birthday of George Washington. Liberty Bell in the U.S. has an inscription which states that all people of the earth need independence. In 1837 , thanks to the abolitionists , it was the official naming of the Liberty Bell . When it was necessary to collect the Assembly , as well as to inform residents about important events , he began to call . It rang in 1761 , when the coronation of King George III, as well as during public protests , which were caused by the adoption of branded sugar and law. His ringing marked the First Continental Congress in 1774 , and in 1775 - Battle of Lexington and Concord . Finally, July 8, 1776 , through Liberty Bell people learned about the signing of the Declaration of Independence .  During the attack Philadelphia by British troops , hidden in church bell . He was for many people a real sign of independence and freedom , despite the fact that not everyone had a chance to see with their own eyes. People to be reconciled after the Civil War , it began to carry the cities of the South. In 1915 , he settled permanently in Philadelphia . At first it was located in the tower of Independence Hall , and then it was transferred to a special room near the hall .Currently , the ringing of the bell characterizes the celebration of Independence Day on July 4. Children whose relatives witnessed the signing of the Declaration should call 13 times in it. And across the country, in this day to ring the bells 13 times to salute the patriots 13 states , which were formed after independence was declared . Now the bell pavilion with Independence Hall is considered historical value U.S.