1) The Alps, located in Europe, are a popular destination for skiing, mountaineering, and hiking.

2) The deepest part of the ocean is the Mariana Trench, reaching a depth of about 36,070 feet (10,994 meters).

3) The game of rugby originated at Rugby School in England and has since evolved into different versions, including Rugby Union and Rugby League.

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