1825- The American who popularized the concept of interchangeable parts, Eli Whitney, was born.        
        
    
        	https://youtu.be/CDqtMXWbqis        
        
    
        	https://youtu.be/xRqeEm7AKto        
        
    
        	https://youtu.be/_UvtNbOp2Zs        
        
    
        	https://youtu.be/rxcOHtUmD-M        
        
    
        	1782 - 1st US commercial bank, Bank of North America, opens in Philadelphia.        
        
    
        	https://youtu.be/VJSxZsZEVCY        
        
    
        	https://youtu.be/-FzSLCXBF18        
        
    
        	https://youtu.be/pSNhmbBgUBo        
        
    
        	https://youtu.be/3G2zRZQ9S_Q        
        
    
 
        