after

 1. It gets dark very quickly after sunset.

sunset

 2. After 5:00 a lot of people head home from work.

5:00

 3. Cemeteries get a lot of new visitors after a war.

cemetery

4. Human beings started to learn how to make many new tools after prehistoric times.

prehistoric times
5. They decided to remain on good terms after their divorce.
couple at home

 6. Strawberries in Minnesota become ripe after the middle of June.

strawberry

 7. Lucinda and Gary got something to eat after a walk in the park.

couple getting some food
 The word “after” is also used as a subordinating conjunction in an adverb clause.