When learning about the civil rights movement in history, you remembered about a trip to a museum you took when you were little that included a protest sign related to segregation. this is an example of
meaningful learning
cognitive mapping
rote learning
observational learning

I think that is an exmaple of  : meaningful learning

In this case, clearly there is a meaningful event that happened in the past which is stuck in your memory.
As you got older, this memory is stored in your brain, providing you with information that is related to the event 

Texas’ gulf coastal plains are the western extension of the coastal plain extending from the atlantic ocean to beyond the rio grande. its characteristic rolling to hilly surface covered with a heavy growth of pine and hardwoods extends into east texas. in the increasingly arid west, however, its forests become secondary in nature, consisting largely of post oaks and, farther west, prairies and brushlands.