Long Day's Journey into Night
Original Broadway production

Year
Award ceremony
Category
Nominee
Result
1957
Tony Award
Best Play
Best Play
Won
1957
Tony Award
Best Performance by a Leading Actor in a Play
Fredric March
Won
1957
Tony Award
Best Performance by a Leading Actress in a Play
Florence Eldridge
Nominated
1957
Tony Award
Best Performance by a Featured Actor in a Play
Jason Robards, Jr.
Nominated
1957
Tony Award
Best Direction
José Quintero
Nominated
1957
Tony Award
Best Stage Technician
Thomas Fitzgerald
Nominated
1957
Outer Critics Circle Award
Outstanding Play
Outstanding Play
Won
1957
New York Drama Critics' Circle Award
Best American Play
Eugene O'Neill
Won
1957
Theatre World Award
Theatre World Award
Jason Robards, Jr.
Won
1957
Theatre World Award
Theatre World Award
Bradford Dillman
Won
1957
Pulitzer Prize
Drama
Eugene O'Neill
Won

Question: For which work did Eugene O'Neill win the Pulitzer Prize for Drama in 1957?
Answer: O'Neill received the 1957 Pulitzer Prize for Drama for his work in Long Day's Journey into Night.