How to say: Thank you for unforgettable memories. It was my best birthday party for 16 year
*for 16 years*

Question

How to say: Thank you for unforgettable memories. It was my best birthday party for 16 year
*for 16 years*

Answer

"Thank you for unforgettable memories."

=> 잊지 못할 기억을 남겨줘서 고마워요.  (Thank you for giving me unforgettable memories)
=> 잊지 못할 기억 고마워요.  (Thank you for the unforgettable memories)

"It was my best birthday party for 16 year."

=> 십륙(16) 년 중에 제일 멋진(좋은) 생일 파티였어요.
=> 십륙(16) 년 동안에 제일 멋진 생일 파티였어요.