When is a comma necessary to include with a date?

How did the american revolutionary war change how some americans viewed the enslavement of african americans?

Yo i need a catchy title for an article about the importance of the fourth amendment

The 14th amendment overruled the supreme court case of dred scott vs. sandford. the landmark supreme court case determined which of the following points? a.slaves could not be citizens b.non-landowners could not be citizens c.blacks could not be citizens d.all persons born or naturalized in the united states vary differently in citizen status.