We may not remember many days. The ones we do recall can be crucial in how we see ourselves and our world.
Every Easter, we remember a curiously named Good Friday - The day Christ was executed. There are people who remember a day every week, when God chillaxed after making our universe.
And now February 7 will forever remind us of a day when Victorian bushfires decimated towns; made hundreds homeless and claimed many, many lives.
If you could live your life over, what would you do differently?
The movie, 17 Again, gives you a chance to see what might happen if your parents were teenagers all over again... and going to your school.
It stars Zac Efron as Mike O'Donnell, a popular kid in his last year of high school who seemingly has it all going for him. A rising sports star, he gives it all away for a girl.
Marilyn Monroe believed she was ugly and overdosed at 36. Jim Morrison drowned his sorrows and died mysteriously at 27. The same age, Kurt Cobain sang "I hate myself and I want to die" before he suicided.