This is the 5938th most frequent Polish word.
zorganizowały
"Zorganizowały" means "they organized" (referring to a group of females).
Here, 'zorganizowały' describes the action of organizing an event done by female students.
Uczennice zorganizowały wystawę w szkole.
The students organized an exhibition at school.
In this sentence, 'zorganizowały' refers to the act of planning and setting up a surprise conducted by the female siblings of the narrator.
Moje siostry zorganizowały niespodziankę na moje urodziny.
My sisters organized a surprise for my birthday.
Here, 'zorganizowały' indicates the act of arranging and carrying out a charity event by female friends.