Daily Quiz #5397
What is the name for the cloud formation which is suggested as a source of some sightings of UFOs (unidentified flying objects)?
Military signals are given on which musical instrument?
In the mid-twentieth century, American antiques dealer William H. Guthman was among the first to reframe 18th century carving or painting on what, as colonisers' folk art?
A brutal lightweight unification fight in 2005 (of the WBO and WBC titles), was won by Diego Corrales with a TKO in the tenth round, after what?
When did the spinning jenny become an element in the Industrial Revolution in Britain?
Who is the only 20th century US president carved into Mount Rushmore?
At the 2010 Grammy Awards, who set a new record for the most wins by a female artist in one night, winning six?