1) 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.

2) The first video game console, the Magnavox Odyssey, was released in 1972 and featured games such as Pong and Table Tennis.

3) The average person spends around six months of their lifetime waiting for red lights to turn green.

4) The shortest war in history lasted only 38 to 45 minutes between Britain and Zanzibar in 1896.