World War 1, Prohibition, Great Depression, World War 2, Korean War, Civil Rights Movement, Assassinations of President Kennedy - Robert Kennedy and Martin Luther King Jr, Vietnam War...
It means that it happened in that time period:)
shays rebellion
Since you didn't tell us what "this time period" might be, we cannot answer the question.
it fosslised and eventily will be nothing like before
A computer time line is what updates have happened to the computer for any period of time
WW3 hasn't happened (yet).
BC or before Christ.
This happened roughly around 1214
well the ww2 carried on during this period of time....
A historical period, or era as it's sometimes called, is a period of time that is readily identifiable by particular things, events and or persons that happened or existed during that time.
IT encompasses all of the geological time period that have happened since the begin of time
About 1945 when he killed himself and a lot of the Camps were liberated...