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

2) The Battle of Waterloo in 1815 marked the final defeat of Napoleon Bonaparte and the end of his reign as Emperor of France.

3) The Federal Reserve System, often referred to as the Fed, is the central banking system of the United States.

4) The Brexit process, initiated by the United Kingdom's referendum in 2016, led to the country's withdrawal from the European Union in 2020, marking a significant political and economic change for both the UK and the EU.