Over the course of August, the length of the day in Florence is gradually decreasing, with a difference of 1:20 hours between the start and the end of the month. The shortest day is August 31st with 13:14 hours of daylight, whilst the longest day is August 1st with 14:33 hours of daylight.
Quick Answer. A decade is a period of 10 years. The word decade originates from the Greek word dekas, which means a group of 10. The word decade began to be used in English to mean a period of 10 years in 1590. Continue Reading.
   The 20th century is the 20th group of 100 years, so it ended at  2000. If the century and the the digits they start with were the  same, I.E. the 19th Century was the years 1900 to 1999, then by  default the 1st Century would have to be the years 100 to 199.irst, the 1900s are slightly out of alignment  with the 20th century which is why peopl â¦ e confuse them. You are not  referring to the same years. So the 1900s refers to 1900 to 1999  whereas the 20th century refers to 1901 to 2000.