William Lawrence Sr Omnibit 11-24-14 William Lawrence Sr Omnibit 11-24-14 Philadelphia printers walked off their jobs in 1786 and demanded a pay hike. They got it. It was the first successful strike. Share this:PrintFacebookTwitterTelegramMeWeWhatsAppPinterestLinkedInParlerGabRedditEmailMorePocketTumblrLike this:Like Loading... Related