1) The Russian Revolution in 1917 resulted in the overthrow of the monarchy and the establishment of a communist government under Vladimir Lenin.

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

3) The lotus flower is considered a sacred symbol in many cultures and is associated with purity, enlightenment, and rebirth.

4) The book series "The Chronicles of Narnia" by C.S. Lewis has sold over 100 million copies worldwide.