A carrier pigeon is released from a tank porthole during the Battle of Amiens in WWI.
https://s3-us-west-1.amazonaws.com/h..._from_tank.jpg
Previously:
https://www.homemadetools.net/forum/...850#post119351
https://www.homemadetools.net/forum/...1854#post75285
https://www.homemadetools.net/forum/...566#post139439
https://www.homemadetools.net/forum/...989#post125173
https://www.homemadetools.net/forum/...2519#post96514
https://www.homemadetools.net/forum/...9694#post89851