Context: In 1949, France started its transmissions with an 819 lines system (with 737 active lines). The system was monochrome only, and was used only on VHF for the first French TV channel. It was discontinued in 1983.

Question: In what year did France start transmissions using and 819 line system?
Answer: 1949

Question: What country started transmissions using and 819 line system in 1949?
Answer: France

Question: What did France start transmissions with in 1949?
Answer: an 819 lines system

Question: Was France's 819 line system in color?
Answer: monochrome only

Question: When was France's 819 line system discontinued?
Answer: 1983

Question: In what year did England start transmissions using and 819 line system?
Answer: Unanswerable

Question: What country started transmissions using and 819 line system in 1959?
Answer: Unanswerable

Question:  What did France start transmissions with in 1939?
Answer: Unanswerable

Question:  Was Englands 819 line system in color?
Answer: Unanswerable

Question:  When was France's 811 line system discontinued?
Answer: Unanswerable