Jan 11 Paul Hallman, composer, dies at 49 on this day in history. 


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


Feb 08 In the year 1650 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 Cornelis Galle I, Flemish engraver, dies at about 73 on this day in history. 


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 James G, Marquis of Montrose, Scottish general, hanged died in the year 1650. 

