-
e wheel was invented five thousand years ago. Until their appearance people moved
on horseback or on foot. With this invention, the transportation revolution was beginning:
first, two-wheeled horse chart was built; then four-wheeled horse charts. Little by little, the
machines became more complex, until getting to spaceships and unmanned vehicles. The
transportation revolution
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.