1) The Southern Ocean surrounds Antarctica and is the coldest and least-visited ocean.

2) The Paralympic Games, held immediately after the Olympic Games, showcase the athletic abilities of individuals with disabilities and promote inclusivity in sports.

3) The Berlin Conference in 1884-1885 divided Africa among European powers and set the stage for the colonization of the continent.

4) The concept of compound interest can be attributed to the ancient Babylonians, who used it in their banking practices.