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

2) Cricket, originating in England, is a popular sport played in many countries and is known for its distinctive rules and terminology.

3) The oldest known musical instrument is a flute made from a bird bone, estimated to be around 43,000 years old.

4) The world's oldest living plant is believed to be a clonal shrub called "Old Tjikko" in Sweden, estimated to be over 9,500 years old.