1
When the first videogame was created?
1999
2000
1972
2
When the first air conditioning was created?
1975
1990
1902
3
When the first computer was created?
1920
1960
1946
4
When the first cellphone was created?
1973
1956
1942
5
When the first lamp was created?
1879
1954
1977
