A historic turning point occurred in 1989 and 1990. The Heisei era began during this time, spanning from 1989 to 2019. This period also saw the end of the Cold War.

Further details about this significant time are available from the source. The years marked a change both within Japan and internationally.

The source publication discusses the significance of this period, including the start of the Heisei era and the end of the Cold War, but provides limited information in the given text.