The newspaper item "10 Years Ago Today" near the end of the film stated that Hayden fled to Greece on the same day that the Chicago White Sox defeated Detroit, 10-6. But an item next to it noted that it was the 50th anniversary of the death of Scottish physicist James Clerk-Maxwell, which occurred in November 1879. Because the baseball season in 1919 ended in September, the anniversary of the White Sox-Tigers game could not have been on the same date as the anniversary of Maxwell's death.
When singing Little Annie Rooney, the wrong rhythm is sung on the word "little."