Reserve currency before the beginning of the worldwide credit crunch related recession and Eurozone crisis, which harmed the euro and slowed its adoption. Since 2009, the reserve currency use of the euro has continued to drop, down to 23.9 percent in 2013. The Dutch guilder was the "de facto" reserve currency in Europe in 17th and 18th centuries. The United Kingdom's pound sterling was the primary reserve currency of much of the world in the 19th century and first half of the 20th century. The emergence of the USA as an economic superpower, and the establishment of the U.S. Federal Reserve System
What in the World What in the World "What in the World" is a song by David Bowie released on his 1977 album "Low", later making appearances as repertoire in the 1978 world tour as well as other major tours. "What in the World" showcases some of Bowie's Berlin-era songwriting and production techniques. This song, like others on "Low", shows Bowie's experiments with disjointed, non-linear lyrics with seemingly random sentences and free-associative phrases. The song makes heavy use of synthesizer and recording studio techniques, heavily influenced by the work of Brian Eno, who collaborated with the album. A "blip"-like sound comparable to the sounds