
| Johannes Kepler, discovered planets travel in eliptical orbits. | |
| first public steam railroad completed in England. | |
| Darwin begins his voyage onboard the HMS Beagle. | |
| 'Sweet Adaline', a barbershop quartet favorite, is 1st sung. | |
| Radio City Music Hall in New York City opens. | |
| the first youth hostel is opened, in Northfield, Mass | |
| International Monetary Fund established-World Bank founded | |
| Soviet troops invade Afghanistan | |
By Scott Labrecque version 9.4.0.0