Also Standard oil back in 1911[1]. Those are the only 2 cases I'm aware of in US history. [1] https://en.wikipedia.org/wiki/Standard_Oil#Breakup https://en.wik

Also Standard oil back in 1911[1]. Those are the only 2 cases I'm aware of in US history. [1] https://en.wikipedia.org/wiki/Standard_Oil#Breakup https://en.wikipedia.org/wiki/Standard_Oil#Breakup