26Bazooka Charlie
A World War 2 artillery spotter named Charles Carpenter added bazookas to his unarmed plane. Thus the nickname 'Bazooka Charlie' came up and he scored six tank kills with his modified plane.
27. A star named "The Random Transiter" is considered to be one of the most mysterious stars in the galaxy, as it has 28 equal planet-sized objects orbiting it in random ways.
28. In 1915, Marie Marvingt became the first woman to fly combat missions. She even successfully bombed a military base in Germany. In her lifetime, she held four different pilot licenses, unofficially cycled the Tour de France, and was awarded a gold medal "for all sports" by the French Academy of Sports.
29. The Solomon Islands were named as such because the explorer who discovered them thought they were the mythical land of Ophir, mentioned in the Bible where King Solomon acquired his gold.
30. The Norovirus is a common cause of the "stomach flu." It is resistant to alcohol-based hand sanitizer and is affected by the host's blood type.