Unfortunately, we do not know who invented the first boat. It happened so long ago that those times are called prehistoric. That is, then there were no historians who could learn about this greatest event and write to the descendants for edification. Then no one even knew how to write. So we can only guess how it happened. Modern historians believe that the oldest people swam simply on what came to their hand. For example, on fallen trees. And these days, many do this: in any village in the summer you can meet boys who are trying to swim across a lake or river in this way. Unfortunately, not everyone succeeds...