The Liberty Bell
Tradition tells of a chime that changed the world on July 8, 1776, with the Liberty Bell ringing out from the tower of Independence Hall summoning the citizens of Philadelphia to hear the first public reading of the Declaration of Independence by Colonel John Nixon.
The Pennsylvania Assembly ordered the Bell in 1751 to commemorate the 50-year anniversary of William Penn's 1701 Charter of Privileges, Pennsylvania's original Constitution. It speaks of the rights and freedoms valued by people the world over. Particularly forward thinking were Penn's ideas on religious freedom, his liberal stance on Native American rights, and his inclusion of citizens in enacting laws.
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The Liberty Bell gained iconic importance when abolitionists in their efforts to put an end to slavery throughout America adopted it as a symbol.
http://www.ushistory.org/libertybell/
