births
László Bíró, Hungarian-Argentinian journalist and inventor, invented the ballpoint pen (died 1985)
Related Wikipedia articles
László Bíró
Hungarian-Argentine inventor (1899–1985)
László József Bíró, Hispanicized as Ladislao José Biro, was a Hungarian inventor who patented the first commercially successful modern ballpoint pen. The first ballpoint pen had been invented roughly 50 years earlier by John J. Loud, but it was not a commercial success.Source: Wikipedia (CC BY-SA)
Ballpoint pen
Device dispensing ink over a metal ball at its point
A ballpoint pen, also known as a biro, ball pen, or dot pen, is a pen that dispenses ink over a metal ball at its point, i.e., over a "ball point". The metals commonly used are steel, brass, or tungsten carbide. The design was conceived and developed as a cleaner and more…Source: Wikipedia (CC BY-SA)
September 29
Day of the year
September 29 is the 272nd day of the year in the Gregorian calendar; 93 days remain until the end of the year.Source: Wikipedia (CC BY-SA)