Concepts
- 1910 census1
- 1911 Ford Model T Touring Car4
- 1915 San Francisco World's Fair1
- 1921 Ford Model T Touring Car1
- 1925 earthquake12
- 1928 Amsterdam Olympic Games2
- 1931 Ford Model A Roadster3
- 1932 Los Angeles Olympic Games9
- 1948 London Olympic Games1
- 1952 Helsinki Olympic Games1
- 1956 Republican National Convention237
- 1960 Rome Olympic Games25
- 1960 Winter Olympic Games15
- 1960s26
- 1964 Republican National Convention3
- 1964 Tokyo Olympic Games27
- 1964 presidential campaign1
- 1968 Mexico City Olympic Games22
- 1968 Mexico City Olympics1
- 1972 presidential election2