Event:
Sierra Leone Vice President Samuel Sam-Sumana is entering a voluntary 21-day quarantine after one of his bodyguards dies of Ebola; spread of the virus has been slowing, but a recent increase in infections has led to new calls for precaution
More Notable Events on February 28: 1997 Smokers must prove they are over 18 to purchase cigarettes in US
1995 Denver International Airport opens
1994 Brady Law, imposing a wait-period to buy a hand-gun, went into effect
1935 Nylon discovered by Dr. Wallace H. Carothers
1861 Territories of Nevada and Colorado created
