Can you pass this 1970s quiz?
Which environment-related holiday was first celebrated on April 22, 1970?
Earth Day
World Wildlife Day
Greenery Day
World Water Day
Browse Quizzes by Category
Hot Quizzes Trending Now
Mathematics
4.03 M Players
Diana is sixteen years old, and she is four times older than her younger brother. How old will the girl be when she is two times older than her younger brother?
Transport
1.51 M Players
What is the world's smallest car?