For the past few years, the national flag has become a prominent fixture of hardline conservative rallies in Korea. It started in 2016 during the impeachment trial of former President Park Geun-hye.

A large South Korean flag is hoisted at the former Seoul City ... marking the 74th anniversary of recapturing Seoul from ...

SEOUL, SOUTH KOREA - AUGUST 15: South Koreans hold Japanese rising sun flags during a rally to mark the 74th National Liberation Day in front of Japanese embassy on August 15, 2019 in Seoul ...

(Kyodo) TOKYO (Kyodo) -- Tokyo Tower, a symbol of Japan's capital, was lit up in the three colors of the South Korean flag -- red ... Japan and South Korea normalized diplomatic ties in 1965.