first annual

Phrase

idiomatic rare

(idiomatic) Being the first occurrence of an event that is scheduled or hoped to become annual.

Japanese Meaning

年に一度開催されるイベントや行事の中で、初めて実施されたもの。 / 今後毎年開催が予定されている、またはそう期待される初回の年次イベント。

The organizers announced the first annual community arts fair to celebrate local talent.

主催者は地域の才能を称える第1回コミュニティアートフェアの開催を発表した。

Sense（1）

(idiomatic) Being the first occurrence of an event that is scheduled or hoped to become annual.

Sense（2）

(somewhat rare) Being the second occurrence of an annual event, that is, the first occurrence that is indeed annual.