1) The world's longest traffic jam occurred in China in 2010 and lasted for 12 days, stretching over 60 miles (97 km).

2) In Greek mythology, Pandora is the first human woman created by the gods. She is known for opening a forbidden box (commonly mistranslated as a "Pandora's box") and releasing various evils into the world. However, hope remains trapped inside the box, offering a glimmer of light amidst the darkness.

3) The tongue of a blue whale is so big that about 50 people could stand on it.

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