To what war does the song "When Johnny Comes Marching Home" refer?

The song “When Johnny Comes Marching Home” was written in 1863 during the Civil War by Union army bandmaster Patrick S. Gilmore.

To what fair does the song "Meet Me in St. Louis" refer? The song "Meet Me in St. Louis" by Andrew B. Sterling and Kerry Mills refers to the 1904 Louisiana Purchase Exposition in St. Louis, Missouri. The tune…
Where did the word crap come from and does it refer to shooting craps? No, the word crap is derived from the first flush lavatory or toilet. Crapper's Valveless Water Waste Preventor was developed in 1837 by English sanitary engineer Thomas…
To what does the Variety headline "Stix Nix Hix Pix" refer? The Variety headline "Stix Nix Hix Pix" refers to the idea that small-town residents do not like movies about small-town life.
To what does the title of Sean O'Casey's The Plough and the Stars (1926) refer? The title of Sean O'Casey's The Plough and the Stars refers to the banner of the Irish Citizens Army, of which O'Casey was once a member. The…
Whom did John Dryden refer to as "Mac Flecknoe" in his 1682 poem of the same name? Thomas Shadwell was refer to as "Mac Flecknoe", a playwright whose work John Dryden despised. Dryden satirized Shadwell as the son of ("Mac") Richard Flecknoe, another bad…
Why does the phrase Swan Song mean a farewell or goodbye? The phrase Swan Song refers to ancient legend. It was thought that the swan, silent throughout its life, sang aloud in its final minutes.