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