1603-Scottish King James VI, son of Mary, Queen of Scots, becomes King James I of England in succession to Elizabeth I, uniting the English and Scottish crowns 1837-Canada grants its Black citizens the right to vote 1882-German scientist Robert Koch discovers and describes the tubercle bacillus, which causes tuberculosis (Mycobacterium tuberculosis), establishing germ theory 1976-Argentine President Isabel Martínez de Perón is deposed in a military coup headed by Jorge Rafael Videla 1999-NATO commences an air bombardment against Yugoslavia during the Kosovo War, the first attack by NATO on a sovereign country 2020- Indian PM Narendra Modi orders a 21-day lockdown for the country's 1.3 billion people to address COVID-19