List of main battle tanks by generation

Columns: Name | In service from | Origin | Notes
T-90 | 1993 | Russia | Updated version of the T-72 ; originally introduced into service on October 1992 as T-72BU , but simultaneously renamed as the T-90 | PT-91 Twardy | 1995 | Poland | A development of the T-72 M1 | C1 Ariete | 1995 | Italy | Replaced american tanks | TR-85 | 1996 | Romania | First built in 1985 , the modernised TR-85M1 Bizonul ( the bison ) variant was updated in 1996 , as an effort to bring it up to date with other NATO countries . The project was a cooperative effort between Aerospatiale-Matra , Sagem , Kolmorgen-Artus , Racal and Romanian factories , such as ROMARM , METRA , I.O.R . and Aerostar | Stridsvagn 122 | 1997 | Sweden | Based on the German Leopard 2 | M-95 Degman | 1997 | Croatia | Croatian development of the prototype Yugoslav M-91 Vihor

Example questions:
How many countries use the export version of the third generation main battle tank that went into service in 1980 ? | Who was the chief designer of the third generation main battle tank that originated in the Soviet Union ? | What year was the third generation main battle tank that originated in France discontinued ? | What is the combat weight of the third generation main battle tank that was in service from 1996 ? | Which company developed the third generation main battle tank that originated in Croatia ?

Answers:
5 | Nikolay Popov | 1990 | 50 tons | Đuro Đaković