In History, Today on April 23

The World Health Organization announced the first-ever malaria vaccine, RTS,S, would be piloted in Malawi, Ghana, and Kenya.

A van attack occurred in Toronto, Canada, resulting in the deaths of 10 people and injuries to 16 others. The attack was carried out by Alek Minassian.

The Paris Agreement on climate change was signed by 175 countries at the United Nations headquarters in New York City, aiming to limit global warming.

The Rana Plaza building in Bangladesh collapsed, killing over 1,100 people and injuring more than 2,500, highlighting the poor working conditions in the garment industry.

The first ever YouTube video, titled 'Me at the zoo,' was uploaded by co-founder Jawed Karim.

The People's Republic of China announces the outbreak of the severe acute respiratory syndrome (SARS) virus.

Coca-Cola announced the introduction of New Coke, a reformulation of its flagship drink, which was met with widespread consumer backlash and is considered one of the biggest marketing blunders in history.

Students at Columbia University in New York City began a week-long occupation of university buildings to protest the Vietnam War and university policies, a significant event in the 1960s student protest movement.

The Baedeker Blitz, a series of German air raids on English cities, began, targeting cultural and historical sites during World War II.

The Grand National Assembly of Turkey was founded in Ankara, marking the start of the Turkish War of Independence.

The Khodynka Tragedy papacy, involving the death of a number of people due to a stampede during celebrations for the coronation of Tsar Nicholas II.

William Lincoln patented the zoetrope, a device that produces the illusion of motion from a rapid succession of static pictures.

Canada introduced the first postage stamp designating a beaver, initiating a series of significant developments in the country's postal services.

The British ship Sirius completed the first transatlantic steamship voyage, arriving in New York City from Cork, Ireland, to demonstrate the practicality and potential of steam-powered engines for long-distance maritime travel. The Sirius, built by Robert Napier and Sons, had departed on April 4th, marking a significant milestone in marine engineering history.

U.S. President-elect George Washington moved into his first presidential residence at 3 Cherry Street, New York City under the temporary capital. This house served as the nation's first executive mansion.

King Charles II of England, Scotland, and Ireland was crowned in Westminster Abbey, marking the restoration of the monarchy after the English Civil War and the Interregnum.

The first public school in the United States, Boston Latin School, was founded.

William Shakespeare, the famous English playwright, died on this date, which is also believed to be his birthday.

William Shakespeare's play 'The Merry Wives of Windsor' was potentially performed for Queen Elizabeth I at a celebration of the Order of the Garter.

William Shakespeare, the renowned English playwright and poet, was born in Stratford-upon-Avon.

The Reinheitsgebot, Germany's Beer Purity Law, was adopted in Bavaria, stipulating that beer could only be brewed from barley, hops, and water.

The founding of the Order of the Garter by King Edward III of England, one of the oldest and most prestigious orders of chivalry in the world.

The Battle of Clontarf took place, where the forces of Irish High King Brian Boru defeated a coalition of Irish and Viking forces, although Brian Boru was killed in the battle.

The Battle of Spercheios occurred between the Byzantine Empire and the Bulgarians. The Byzantine forces, led by General Nikephoros Ouranos, defeated the Bulgarian army, significantly weakening Bulgarian power in the region.

The Battle of Marton, where the forces of King Æthelred of Wessex and his brother Alfred (later known as Alfred the Great) fought against the invading Danish Vikings.

The death of Saint Augustine of Canterbury, a Benedictine monk who became the first Archbishop of Canterbury and is considered the 'Apostle to the English' for his role in the Christianization of England.