Events and trends

• 1662 BC—May 22—Lunar
  Lunar eclipse
  A lunar eclipse occurs when the Moon passes behind the Earth so that the Earth blocks the Sun's rays from striking the Moon. This can occur only when the Sun, Earth, and Moon are aligned exactly, or very closely so, with the Earth in the middle. Hence, a lunar eclipse can only occur the night of a...
  
   Saros
  Saros cycle
  The saros is a period of 223 synodic months , that can be used to predict eclipses of the Sun and Moon. One saros after an eclipse, the Sun, Earth, and Moon return to approximately the same relative geometry, and a nearly identical eclipse will occur, in what is referred to as an eclipse cycle...
  
   33 begins.http://sunearth.gsfc.nasa.gov/eclipse/LEsaros/LEsaros1-175.html

Significant people

• 1664 BC—Death of Arpachshad
  Arpachshad
  Arpachshad or Arphaxad or Arphacsad was one of the five sons of Shem, the son of Noah . His brothers were Elam, Asshur, Lud and Aram; he is an ancestor of Abraham. He is said by Gen...
  
  , son of Shem, son of Noah
  Shem
  Shem was one of the sons of Noah in the Hebrew Bible as well as in Islamic literature. He is most popularly regarded as the eldest son, though some traditions regard him as the second son. Genesis 10:21 refers to relative ages of Shem and his brother Japheth, but with sufficient ambiguity in each...
  
  , according to the Hebrew Calendar
  Hebrew calendar
  The Hebrew calendar , or Jewish calendar, is a lunisolar calendar used today predominantly for Jewish religious observances. It determines the dates for Jewish holidays and the appropriate public reading of Torah portions, yahrzeits , and daily Psalm reading, among many ceremonial uses...