How did Ulaanbaatar receive the name meaning “Red Hero”?

The city of Ulaanbaatar received its name, which means "Red Hero," in 1924 when Mongolia was declared a people’s republic.12

The name serves as a tribute to the Mongolian revolutionary leader Damdiny Sühbaatar. Sühbaatar was a pivotal figure who organized the People’s Army to oppose occupying forces and was instrumental in the founding of the Mongolian People’s Republic. He had previously earned the honorific title baatar (meaning "hero") for his military service. Following his death in 1923, the capital—formerly known as Urga and later Niislel Khüree—was renamed in his honor to commemorate his role in the nation's revolutionary history.132