A second ago I thought of this opening sentence.
A minute ago I knew I had to write something.
An hour ago I was still sleeping.
A day ago I was right here doing the same thing.
A week ago I stressed out over today.
A month ago I was bored.
A year ago I was looking for what to do next.
A decade ago I had the thought, this is adulthood?
A century ago, my great grandmother was born into a world where her mother could not vote.
A thousand years ago, the best medical book described how spirits and souls cause disease.
Ten thousand years ago, humans began harvesting, domesticating goats, and brewing beer.
One hundred thousand years ago, humans first got their large brains and started imagining.
One million years ago, early humans started using tools.
Ten million years ago, a massive black hole smashed into the Milky Way Galaxy.
One hundred million years ago, dinosaurs still walked around.
One billion years ago, there was just one continent on earth.
Ten billion years ago, the universe formed.