noun which may take the genitive case particle 'no', noun
unmatched in history; unequaled in history
A yojijukugo meaning peerless or unparalleled throughout all of history. Used in formal or literary contexts to describe someone or something that stands alone in its greatness.
His achievements are praised as unmatched in history.
This work is known worldwide as a masterpiece unequaled in history.
Also means unprecedented and unrepeatable, but emphasizes the rarity of an event rather than historical peerlessness.
Means 'unrivaled under heaven', focusing on being the best in the world at a given time, not necessarily across all history.
A yojijukugo composed of 古今 (ancient and modern, i.e., all of history) and 独歩 (walking alone, i.e., standing alone). The exact origin is uncertain, but it follows a common pattern of four-character idioms expressing supreme excellence.