.
True
False
Dayereh (Drum)
Gadulka (Stringed instrument)
Gaida (Bagpipes)
Kaval (Flute)
True
False
True
False
Gregorian Calendar
Julian Calendar
Both
100
500
1000
2000
Computer
Digital watch
Car air-bag
Grigor Dimitrov
Mark Zuckerberg
Dimitar Berbatov
Mila Kunis
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