Deaths on September 28

Josuah Sylvester, English poet and translator (b. 1563)

Josuah Sylvester (1563 – 28 September 1618) was an English poet.

8 Mar

Kepler's laws of planetary motion
Johannes Kepler discovers the third law of planetary motion.
15 May

Kepler's laws of planetary motion
Johannes Kepler confirms his previously rejected discovery of the third law of planetary motion (he first discovered it on March 8 but soon rejected the idea after some initial calculations were made).
29 Oct

Walter Raleigh
English adventurer, writer, and courtier Sir Walter Raleigh is beheaded for allegedly conspiring against James I of England.