There are 20 years in a score. The word "score" can be used to mean a set or group of any 20 items, not just years.Know More
The English word "score" is likely derived from an Old Norse word, "skora," which was used to mean a notch or a tally in addition to meaning the number 20.
One of the most well-known uses of the word "score" to mean a group of 20 years is in the Gettysburg Address, in which Abraham Lincoln said, "Four score and seven years ago our fathers brought forth on this continent, a new nation, conceived in Liberty, and dedicated to the proposition that all men are created equal."
Martin Luther King, Jr. echoed this in the first line of his "I Have a Dream" speech: "Five score years ago, a great American, in whose symbolic shadow we stand signed the Emancipation Proclamation."Learn more about Time & Calendars
The transit of Venus happens every 100 years. The last one was in June 2012, and the next one occurs in 2117. This happens as Venus directly passes between the Earth and the Sun. This once-in-a-lifetime astronomical alignment has been witnessed eight times since the telescope was invented. These eye-witness-accounts occurred in 1631, 1639, 1761, 1769, 1874, 1882 and 2004, and the last was in June 2012.Full Answer >
According to ConvertUnits.com, the number of complete weeks in 2013 was 52. This number takes into account the 365 days that occurred between Jan.1, 2013 and Jan. 1, 2014. The end date is not included in the calculation.Full Answer >
Calculating your age in days is a fairly simple calculation of multiplying your age by the days in a year and adding the days since your last birthday. Make an adjustment for leap years.Full Answer >
In the Northern Hemisphere, the official summer season begins with the June solstice, which takes place on June 20th, 21st or 22nd each year, and ends with the September equinox, which takes place on September 22nd or 23rd each year; the exact duration of summer depends on when the solstice and equinox will take place and can range from 92 to 95 days. Though summer is associated with warm temperatures and the concept of 'summer break' for students, the season has an official scientific definition, as is defined above. Summer weather in the Northern Hemisphere may begin before the official start of the season and last until after fall has begun with the advent of the September equinox.Full Answer >