Nine countries (Bulgaria, Croatia, Czech Republic, Denmark, Hungary, Poland, Romania, and Sweden) are EU members but do not use the euro. 

The following countries are part of the Eurozone (January 2016): Austria, Belgium, Cyprus, Estonia, Finland, France, Germany, Greece, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Portugal, Slovakia, Slovenia, and Spain.

8 percent of 60 million is 4.8 million.

Bagheera is a fictional character in Rudyard Kipling's The Jungle Book and The Second Jungle Book.

The Richter magnitude scale (often shortened to Richter scale) was developed to assign a single number to quantify the energy that is released during an earthquake.

It was developed in 1935 by Charles Francis Richter in partnership with Beno Gutenberg.

Tchaikovsky was a Russian composer whose works included symphonies, concertos, operas, ballets, and chamber music. He wrote many works that are popular with the classical music public, including his Romeo and Juliet, the 1812 Overture, and his three ballets (The Nutcracker, Swan Lake, and The Sleeping Beauty).

Hydrogen has the symbol H.

The lyrics are from The Way You Make Me Feel by Michael Jackson:

I like the feelin' you're givin' me
Just hold me baby and I'm in ecstasy
Oh I'll be workin' from nine to five
To buy you things to keep you by my side.

Werner Herzog is a German film director. He was born September 5, 1942, in Munich, Germany.

Trojka literally means the digit or number three in some slavic languages like Serbian, Polish, Czech or Slovak.

The Fugitive is an American drama series created by Roy Huggins that ran on ABC from 1963 to 1967. David Janssen plays Richard Kimble, a physician who is falsely convicted of his wife's murder.