Seoul:According to Yonhap News Agency, several notable events in Korean history occurred on October 12 across different years.

In 1897, the Korean Empire was established, with King Gojong of the Joseon Dynasty becoming its emperor.

A ferry service between the ports of Masan, Korea, and Osaka, Japan, began in 1923, marking a significant development in regional transportation.

South Korea established its Air Force in 1949, further strengthening its national defense capabilities.

In 1962, North Korea signed a border treaty with China, indicating diplomatic engagements in the region.

On Jeju Island, a monument was erected in 1980 to commemorate Hendrick Hamel, a Dutch seaman who was the first Westerner to document Korea after being shipwrecked there in the 17th century.

The OB Bears became the first champions of the South Korean professional baseball league by defeating the Samsung Lions in 1982.

A significant medical milestone was achieved in 1985 when a test-tube baby was born for the first time in South Korea, with the procedure carried out by a team from Seoul National University.

In 1987, the National Assembly passed a constitutional revision to establish free presidential elections, marking a pivotal moment in South Korea's democratic development.

The christening of South Korea's first domestically made submarine, the 1,200-ton-class Icheon, took place in 1992.

In 2015, South Korea announced its plan to reintroduce state history textbooks for secondary school students, highlighting a shift in educational policy.