1) The assassination of Archduke Franz Ferdinand of Austria in 1914 triggered the start of World War I.

2) Online banking and mobile banking have become increasingly popular, providing convenient access to banking services through digital platforms.

3) The fastest land animal is the cheetah, capable of reaching speeds up to 70 miles per hour (113 kilometers per hour) in short bursts.

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