This is the 3145th most frequent Polish word.
przypomniała
"Przypomniała" means "she remembered" or "she reminded" in English.
In this sentence, 'przypomniała' is used to indicate that Anna caused the speaker to remember the meeting.
Anna przypomniała mi o naszym spotkaniu.
Anna reminded me about our meeting.
Here, 'przypomniała' is reflexive, meaning that Marysia herself remembered or thought of the vacations.
Marysia przypomniała sobie tamte wakacje.
Marysia recalled those vacations.
In this case, 'przypomniał' (male form of 'przypomniała') is used when someone prompts another to remember to do something.