Input interpretation
![group 4 elements | discovery year](../image_source/75904f8ae0ad9c40f0de8fd19ca80555.png)
group 4 elements | discovery year
Results
![titanium | 1791 zirconium | 1789 hafnium | 1923 rutherfordium | 1964](../image_source/3a570f606887e80b71b900c77f154c9f.png)
titanium | 1791 zirconium | 1789 hafnium | 1923 rutherfordium | 1964
![group 4 elements | discovery year | {1791, 1789, 1923, 1964} (median)](../image_source/61e9ab431ce6704f394489ba32b868b2.png)
group 4 elements | discovery year | {1791, 1789, 1923, 1964} (median)
Timeline
![Timeline](../image_source/7392a1a9ecf3a581e732110297974ae0.png)
Timeline