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


Feb 01 Rene Descartes, philosopher "I think therefore I am", stops thinking died on this day in history. 


Feb 08 On this day in history john Adriaensz, hydraulic engineer (Haarlemmermeer), dies at about 74 


Feb 11 In the year 1650 death of rene Descartes, philosopher "I think therefore I am", stops thinking 


Mar 29 In the year 1650 cornelis Galle I, Flemish engraver, dies at about 73 


Apr 18 Simonds d'Ewes, English antiquarian (b. 1602) died in the year 1650. 


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


May 21 In the year 1650 death of james G, Marquis of Montrose, Scottish general, hanged 

