why it is celebrated and who is the figure behind the date
2023-09-29 03:11:00 2023 – INVENTOR’S DAY. Every September 29, National Inventor’s Day is celebrated in Argentina, in honor of the birth of Ladislao Biro, creator of the pen. Anniversaries. National Inventor’s Day. (illustrative image) Who was Ladislao Biro, the inventor of the pen On September 29, 1899, the Hungarian inventor László József Bír was born … Read more