Jan 11 Paul Hallman, composer, dies at 49 in the year 1650. 


Feb 01 On this day in history death of rene Descartes, philosopher "I think therefore I am", stops thinking 


Feb 08 John Adriaensz, hydraulic engineer (Haarlemmermeer), dies at about 74 in the year 1650. 


Feb 11 Rene Descartes, philosopher "I think therefore I am", stops thinking died on this day in history. 


Mar 29 Cornelis Galle I, Flemish engraver, dies at about 73 in the year 1650. 


Apr 18 In the year 1650 death of simonds d'Ewes, English antiquarian (b. 1602) 


May 20 On this day in history francesco Sacrati, composer, dies at 44 


May 21 James G, Marquis of Montrose, Scottish general, hanged died on this day in history. 

