January 30: Martyrs' Day in India (1948); Fred Korematsu Day in parts of the United StatesLaunch of USSMonitor1018 HenryII, Holy Roman Emperor, and BolesawI, the Piast ruler of Poland, signed the Peace of Bautzen to end the GermanPolish War.1607 Low-lying areas flooded around the coasts of the Bristol Channel in southwest England and south Wales, resulting in around 2,000 deaths.1862 The United States Navy launched USSMonitor (pictured), the first American ironclad warship.1964 In a bloodless coup, Nguyn Khnh overthrew Dng Vn Minh's military junta in South Vietnam, less than three months after Minh's own coup.2005 Forty-six years to the day after the sinking of the Danish ocean liner MSHans Hedtoft, Queen MargretheII unveiled a memorial in Copenhagen to the 95 passengers and crew who perished.Lady Anne Clifford (b.1590)Barbara La Marr (d.1926)Professor Longhair (d.1980)Tyla (b.2002)More anniversaries: January 29January 30January 31ArchiveBy emailList of days of the yearAbout