Take-out restaurants often leave paper menus in the lobbies and doorsteps of nearby homes as advertisements. The first to do so may have been New York City's Empire Szechuan chain, founded in 1976.[9] The chain and other restaurants' aggressive menu distribution in the Upper West Side of Manhattan caused the "Menu Wars" of the 1990s, including invasions of Empire Szechuan by the "Menu Vigilantes", the revoking of its cafe license, several lawsuits, and physical attacks on menu distributors.[10][9][11][12]