In the context of discussing the birth date of parents or older rels, my wife and I often speculate on the changes that happened in their lifetime.

 For example, my wife’s dad (who passed away quite a few years ago) was born in the late 1800s and from time to time we have commented on the enormous changes and events that occurred in his lifetime, such as two world wars, the motor car, radio, television, penicillin, telephone and computer. It is a long list, but was he really aware of these enormous changes and the impact they would have.

 The short answer More >