Jan 11 On this day in history paul Hallman, composer, dies at 49 


Feb 01 In the year 1650 death of rene Descartes, philosopher "I think therefore I am", stops thinking 


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


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


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


Apr 18 On this day in history death of simonds d'Ewes, English antiquarian (b. 1602) 


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 

