On which river is Warsaw to be found?

More Questions:

A nilometer measures the level of what?

What typewriter key was introduced by Remington in 1878, ending the need for two keys for each letter?

What is the best known artificial international language?

What were the last two letters added to the english alphabet?

What brief tune was Chopin's attempt to describe a puppy chasing its tail?

What gift is first presented on the fifth day in the song "The Twelve Days of Christmas"?

The insomnia medication zolpidem tartrate is most commonly marketed in the US under what trade name?

What flowers are known as "mums"?

Who had a 1990's hit with "Them Girls Them Girls"?

What was the name of the town “full of Johnson’s” in the movie “Blazing Saddles”?

What was Al Capone’s full first name?

What chemical is denoted by Cm?

What are the calm weather periods occuring near the Equator called?

What is the name of the family whose Dalmatians were stolen in the novel "The Hundred and One Dalmatians"?

In which country would you find the informally named "The Enver Hoxha Mausoleum" landmark?