1) The first modern health insurance policy was introduced in Germany in the late 19th century.

2) The highest mountain in Africa is Mount Kilimanjaro, standing at 19,341 feet (5,895 meters) tall.

3) The shortest verse in the Bible is "Jesus wept" (John 11:35).

4) The concept of federalism involves the division of powers between a central government and regional or local governments, allowing for shared governance and autonomy for different levels of administration.