January 4th is the fourth day of the year in the Gregorian calendar. It typically falls in the winter season in the Northern Hemisphere and summer in the Southern Hemisphere. This date is often associated with various events and observances, including the celebration of the World Braille Day, which raises awareness about the importance of braille for visually impaired individuals. Historically, January 4th has seen significant events, such as the founding of notable institutions and the birth of influential figures. For example, in 1643, the famous scientist Isaac Newton was born on this day, contributing greatly to the fields of physics and mathematics.