Whatcâ¬â?cs Happening Today?

International Internet Day. International Internet Day is celebrated worldwide, every year on October 29. Since 2005, the Day has been famously celebrated to commemorate a momentous milestone in the history of telecommunications and technology, not forgetting entire mankind.

World Stroke Day. World Stroke Day, on October 29, seeks to emphasize the serious nature and high rates of stroke. The day is also observed to raise awareness of the prevention and treatment of strokes. Over 6 million people die as a result of a stroke and it is the second leading cause of death throughout the world.

What Happened Today?

1. In 1675, Leibniz, a prominent German polymath and logician, used the long s (in the picture) for the first time as a symbol of the integral in calculus. In mathematics, an integral assigns numbers to functions in a way that can describe displacement, area, volume, and other concepts that arise by combining infinitesimal data. Integration is one of the two main operations of calculus; its inverse operation, differentiation, is the other. 

2. In 1964, the United Republic of Tanganyika and Zanzibar were renamed the United Republic of Tanzania.

3. In 2004, the Arabic-language news network Al Jazeera broadcast an excerpt from a 2004 Osama bin Laden video in which the terrorist leader first admitted direct responsibility for the September 11, 2001 attacks.

Birthdays

1. 1959 - John Pombe Magufuli, serving Tanzanian President

2. 1972 câ¬â?? Gabrielle Union, American actress.

Sources: Wikipedia, national calendar days & daysoftheyear.com