The first american play of merit, written in 1852, was an adaptation by george l. aiken of

the marble faun
uncle tom's cabin
the last of the mohicans

Good morning!

Uncle Tom's Cabin
 
The first play of American merit was written in 1852, an adaptation of Harriet Beecher Stowe's Uncle Tom's Cabin.  This work is one of the hallmarks of Aiken's curriculum.
 

Hugs!