History Of The Tank By JordanCola Period: Jan 1, 1470 to Dec 31, 1499 Rifling Jan 1, 1770 Caterpillar Treads Dec 1, 1913 Model T Assembly line Sep 6, 1915 First Tank Produced The first tank is produced after its invention in the Lavasseur project. Apr 1, 1917 First tank with rotating turret The Renault FT is the first tank with a rotating turret. Aug 9, 1921 Self Sealing Fuel Tank Patented Oct 12, 1934 The First tank is covered in sloped armor The french SOMUA S35 is the first tank covered in sloped armor Period: Jan 1, 1935 to Dec 31, 1939 Shaped Charge Reinvented Jan 1, 1956 FLIR Jan 1, 1993 GPS was finished