Knowledge Spectra

Apple Macintosh Computer Goes on Sale (1984): The Apple Macintosh, a revolutionary personal computer, went on sale on January 24, 1984. Introduced by Apple co-founder Steve Jobs, the Macintosh stood…

The California Gold Rush, which began on January 24, 1848, marked a significant turning point in American history. It all started when James W. Marshall discovered gold at Sutter's Mill…

First Rock and Roll Hall of Fame Induction (1986): The inaugural induction ceremony for the Rock and Roll Hall of Fame took place on January 23, 1986. Among the first…

Sweden Bans Aerosol Sprays (1978): On January 23, 1978, Sweden became the first country to ban aerosol sprays that were harmful to the ozone layer. This groundbreaking environmental policy decision…

Elizabeth Blackwell's Medical Degree (1849): Elizabeth Blackwell became the first woman to receive a medical degree in the United States on January 23, 1849. She graduated from Geneva Medical College…

Ratification of the 24th Amendment (1964): The 24th Amendment to the United States Constitution was ratified on January 23, 1964. This amendment prohibited the use of poll taxes in national…

First Radio Sea Rescue (1909): On January 23, 1909, the first radio distress signal was used in a sea rescue. The steamship RMS Republic, after a collision in heavy fog…

U.S. Supreme Court Legalizes Abortion in Roe v. Wade (1973): On January 22, 1973, the United States Supreme Court delivered its landmark decision in Roe v. Wade, effectively legalizing abortion…

Coronation of Constantine as Co-Emperor (613): On January 22, 613, eight-month-old Constantine was crowned as co-emperor by his father, Emperor Heraclius, at Constantinople. This early medieval event signified the continuation…

Baghdad Bombings (2007): On January 22, 2007, a series of coordinated bombings occurred in Baghdad, Iraq, resulting in the death of at least 88 people and injuring 160 others. This…