When did Memorail Day originate?

What was Germany's unrestriced submarine warfare? What was The term dogfights used to describe clashes of Allied Aces with German? What was d-day and why does it play such a part in the allies fate? What was the name of the Battle of Murfreesboro? What did people in German occupied territories have to do? What were African American soldiers from the union called? Who are famous canadians that changed the world? Where El Alamein located? When did shermans marchto the sea began? A Communist guerrilla movement in Vietnam against the diem regime? Thesis statement of the sniper? What were negative effects of planes in World War 1? What wars were fought during Victorian times? What was NOT a strength of the Union forces economic backing officer training larger population more industry? How many soldiers have died in a War? Where was Ned Kelly hung? What happened during reconstruction? What did the battlefield look like and how was it different in world war 1 and how did soilders expect it to be? Can war reverse a countries development? What country misused nuclear warfare?