1) Emma Watson is a British actress and activist known for her role as Hermione Granger in the "Harry Potter" film series. She has since starred in films such as "The Perks of Being a Wallflower" and has been actively involved in promoting gender equality and women's rights.

2) The average person spends about 4 years of their life driving a car.

3) The windshield wipers were invented by a woman named Mary Anderson in 1903.

4) The discovery of the Americas by Christopher Columbus in 1492 opened up new trade routes and had a profound impact on world history.