Cornerstone
The cornerstone concept is derived from the first stone set in the construction of a masonry foundation, important since all other stones will be set in reference to this stone, thus determining the position of the entire structure.Over time a cornerstone became a ceremonial masonry stone, or replica, set in a prominent location on the outside of a...
Timeline of Events
1248
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1357
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1506
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1825
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1833
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1860
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