1) The world's first stock exchange was established in Amsterdam in 1602.

2) The process of impeachment involves charging a public official, such as a president or high-ranking government official, with misconduct and potentially removing them from office through a trial and vote by the legislature.

3) The recent advancements in space exploration include missions to Mars by various space agencies, such as NASA's Perseverance rover landing on Mars in 2021, aiming to explore the planet's geology and search for signs of past microbial life.

4) The speed of a sneeze can reach up to 100 miles per hour (160 kilometers per hour).