January 28

Charlemagne, the first Holy Roman Emperor, dies, and his son Louis the Pious succeeds him.

Charlemagne, who had been crowned Holy Roman Emperor by the pope in 800, ruled over a vast empire covering much of Western Europe, promoting a cultural and educational revival known as the Carolingian Renaissance. His death led to the empire's gradual fragmentation among his heirs, a division whose borders roughly foreshadowed the later emergence of France and Germany as distinct nations.

Holy Roman Emperor Henry IV makes his famous "Walk to Canossa," humbling himself before Pope Gregory VII to have his excommunication lifted.

Henry IV traveled to Canossa in northern Italy and reportedly stood barefoot in the snow for three days as a penitent, seeking to have his excommunication by Pope Gregory VII lifted amid a bitter dispute over the emperor's authority to appoint bishops. The episode became a lasting symbol of the tension between religious and secular power in medieval Europe.

Edward VI becomes King of England following the death of his father, Henry VIII.

Edward VI, only nine years old at his accession, became king following the death of his father, Henry VIII, though real power rested with a council of regents, notably his uncle Edward Seymour. His brief six-year reign pushed England further toward Protestantism before his early death from illness led to the brief, contested reign of Lady Jane Grey and then his half-sister Mary I.

Jane Austen's novel "Pride and Prejudice" is first published in the United Kingdom.

Austen published "Pride and Prejudice" anonymously, as was common for female authors at the time, crediting it only to "the author of Sense and Sensibility." The novel's wit and social observation made it an immediate popular success, and it has since become one of the most widely read and beloved novels in the English language, still adapted regularly for film and television.

The Siege of Paris ends in French surrender during the Franco-Prussian War.

The four-month siege by Prussian and German forces starved Paris into surrender, ending the Franco-Prussian War in decisive German victory. The humiliating defeat, and the loss of Alsace-Lorraine that followed, fueled deep French resentment that contributed to tensions leading up to World War I more than four decades later.

Japanese forces attack Shanghai, escalating tensions that precede the Second Sino-Japanese War.

Japanese naval forces bombed and attacked Shanghai, ostensibly in response to anti-Japanese boycotts and unrest, in an escalation that foreshadowed the far larger Japanese invasion of China later in the decade. Chinese resistance in the city drew international attention, and the incident deepened Sino-Japanese tensions that erupted into full-scale war in 1937.

Elvis Presley makes his first appearance on national American television.

Presley's appearance on a popular variety show introduced his provocative performance style to a massive national television audience for the first time, sparking both enormous popularity among young viewers and considerable controversy among more conservative adults over his hip movements and rock-and-roll sound. The appearance helped launch him toward becoming one of the best-selling music artists in history.

The Space Shuttle Challenger disintegrates 73 seconds after liftoff, killing all seven astronauts aboard.

The Challenger broke apart just 73 seconds after launch due to the failure of an O-ring seal in one of its solid rocket boosters, which had become brittle in unusually cold Florida weather that morning. The disaster, watched live by millions including many schoolchildren because a civilian teacher was aboard, led NASA to ground the shuttle program for over two years while implementing major safety reforms.

Canada's Supreme Court strikes down the country's abortion law in R v Morgentaler.

The Canadian Supreme Court ruled that the country's existing abortion law, which required approval from hospital committees, violated a woman's constitutional right to security of the person under the Canadian Charter of Rights and Freedoms. The decision effectively decriminalized abortion nationwide, and Canada remains one of the few countries without specific criminal restrictions on the procedure.

Nationwide protests begin in the United States following the release of video showing the police killing of Tyre Nichols.

Video footage showing Memphis police officers brutally beating Tyre Nichols during a traffic stop, released weeks after his death from his injuries, sparked protests across major American cities. The footage led to murder charges against several officers involved and renewed national debate over policing practices and accountability.