Ipanema is a famous neighborhood IN Rio de Janeiro
Correct!
I'm just watching some videos IN Youtube.
Incorrect!
I always watch a film ON Sundays.
Correct!
The drugstore is IN the left of the street.
Incorrect!
Brazil declared independence ON 1822.
Incorrect!
Denmark is a country IN the north of Europe.
Correct!
My birthday is IN November.
Correct!
The Nile is the longest river ON the planet.
Correct!
The largest hot dog ON the world weights 3.18kg.
Incorrect!
Brazil declared independence ON September 7, 1822.
Correct!