1) The invention of the printing press by Johannes Gutenberg in the 15th century revolutionized the spread of knowledge and played a key role in the Renaissance.

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

3) Banks provide various financial products, including savings accounts, checking accounts, credit cards, mortgages, and investment services.

4) The Beatles hold the record for the most number-one hits on the Billboard Hot 100 chart, with 20 songs reaching the top spot.