#589 - Delayed Delay

Pokémon Gold and Silver (1999) were first announced as "Pocket Monsters 2" and were set to be released in 1997. However, the year passed and the games weren't released. It wasn't until March 1998 that the games were officially delayed and renamed.

SOURCE: https://bulbapedia.bulbagarden.net/wiki/Pok%C3%A9mon_Gold_and_Silver_beta