1955

Singer Marian Anderson became the first Black American to sing with the Metropolitan Opera in New York, in Verdi’s “Un Ballo in Maschera.”

1979

Vietnamese forces captured the Cambodian capital of Phnom Penh, overthrowing the Khmer Rouge government.

2015

Masked gunmen stormed the Paris offices of Charlie Hebdo, a French newspaper that had caricatured the Prophet Muhammad, killing 12 people, including the editor.