In March 2006 Congress raised this metaphorical limit to around $9 trillion
Early in the past 
century, as the U.S. fought in World War I, Congress enacted the first ... By Act of 
March 17, 1971, Congress raised the debt limit to $400 billion, with... [DOC] [TLE] The Next Hurrah: Another Speed Bump For The Bush/Cheney ... [PAR] Jul 22, 2007 ... What happens when we hit the limit, likely around the magical turning point in 
September?