1) The world's oldest university, Al-Qarawiyyin, was founded in 859 AD and is located in Fez, Morocco.

2) The world's first credit card was introduced in 1950 by Diners Club.

3) The paella is a traditional Spanish rice dish that originated in the Valencia region. It is typically cooked in a wide, shallow pan and combines rice with various ingredients, such as saffron, vegetables, meat (like chicken or rabbit), seafood, and spices. Paella is known for its vibrant colors, aromatic flavors, and communal dining experience, often enjoyed during festive occasions and social gatherings.

4) The first successful consumer digital camera, the Apple QuickTake 100, was released in 1994 and had a resolution of 640 x 480 pixels.