This category has the following 19 subcategories, out of 19 total.
- 1930s in biotechnology (2 C)
- 1930s in computing (8 C)
- Musical instruments invented in the 1930s (3 C, 3 P)
- 1930s in robotics (2 C)
- 1930s in transport (24 C)
- Vehicles introduced in the 1930s (15 C)