Today is 21st, February, 09 and here’s what happened today in tech..

1 – The first ever steam train to run on rails is demonstrated by Richard Trevithick on 21st, Feb, 1804.

2 – This day in 1842 – John Greenough is granted the first U.S. patent for the sewing machine.

3 – On 21st, Feb, 1953 – Francis Crick and James D. Watson discover the structure of the DNA molecule.

4 – The Soviet unmanned spaceship Luna 20 lands on the Moon on 21st, Feb, 1972.