| Early milestone |
| Early toddlerhood |
| Milestone birthday |
| Start of toddler-dom |
| Time to start walking |
| Time to start cruising |
| When many start walking |
| Early birthday milestone |
| Early personal milestone |
| Time of first steps, often |
| Time to start walking, maybe |
| When many get measles vaccines |
| Toddlers' parents celebrate it |
| What precedes a terrible period? |
| When preliminary steps are taken? |
| When a baby might say his first word |