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