Meaning of the word "anniversary celebration" in English

What does "anniversary celebration" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

anniversary celebration

US /ˌæn.əˈvɝː.sɚ.i ˌsel.əˈbreɪ.ʃən/
UK /ˌæn.ɪˈvɜː.sər.i ˌsel.əˈbreɪ.ʃən/
"anniversary celebration" picture

Noun

a social event or party held to mark the date on which an event took place in a previous year

Example:
They are planning a grand anniversary celebration for their 50th wedding year.
The company held an anniversary celebration to thank its long-term employees.