when were the first castles built in europe???

Answer: 9th and 10th centuries
Question: a highly politicised left his form of theatre which originated in 1920s europe?

Answer: agitprop theatre
Answer this question: when was commercial bank first nationalised in india??

1969
Q: when was the first time argentina won the world cup?A: 1978
Input: when did battle of bunker hill start and end?

Output: June 17, 1775
which element present in green pigment of leaf???

Answer:
Chlorophyll