1) The first computer mouse was invented by Douglas Engelbart in 1964 and consisted of a wooden shell and two metal wheels.

2) Usain Bolt of Jamaica holds the world records for the 100 meters and 200 meters sprints, with times of 9.58 seconds and 19.19 seconds, respectively.

3) The Bugatti Veyron, one of the fastest production cars in the world, can reach speeds of over 250 miles per hour (402 km/h).

4) The most-watched television event in the United States is the Super Bowl, with millions of viewers tuning in each year.