I've known about this for awhile, but I recently came across the Wiki encyclopedia entry and thought I'd post it.
It should be noted that there are some vagaries as to exactly what happened here, and who was really involved and to what extent, but it's still something to be wise about:
http://en.wikipedia.org/wiki/Business_Plot
"The Business Plot, The Plot Against FDR, or The White House Putsch, was an uncovered conspiracy involving several wealthy businessmen to overthrow President Franklin D. Roosevelt in 1933."
It should be noted that there are some vagaries as to exactly what happened here, and who was really involved and to what extent, but it's still something to be wise about:
http://en.wikipedia.org/wiki/Business_Plot
"The Business Plot, The Plot Against FDR, or The White House Putsch, was an uncovered conspiracy involving several wealthy businessmen to overthrow President Franklin D. Roosevelt in 1933."