What is Marengo, Illinois?
{{Infobox settlement | name = Marengo | official_name = | native_name = | native_name_lang = | other_name = | settlement_type = [[List of cities in Illinois|City]] | image_skyline = Marengo Illinois1.jpg | imagesize = | image_alt = | image_caption = Buildings in downtown Marengo. | image_flag = | image_seal = | etymology = | nickname = | motto = Home of Settlers Days | anthem = | image_map = File:McHenry County Illinois Incorporated and Unincorporated areas Marengo Highlighted.svg | mapsize = | map_alt = | map_caption = Location of Marengo in McHenry County, Illinois. | image_map1 = Illinois in United States (US48).svg | mapsize1 = | map_alt1 = | map_caption1 = Location of Illinois in the United States | pushpin_map = | pushpin_label_position = | pushpin_label = | pushpin_map_alt = | pushpin_mapsize = | pushpin_relief = | pushpin_map_caption = | coordinates = {{coord|42|15|03|N|88|36|18|W|type: city_region:US-IL|display=inline,title}} | coor_pinpoint = | coordinates_footnotes = | grid_name = | grid_position = | subdivision_type = Country | subdivision_name = United States | subdivision_type1 = State | subdivision_name1 = Illinois | subdivision_type2 = County | subdivision_name2 = [[McHenry County, Illinois|McHenry]] | subdivision_type3 = Township | subdivision_name3 = [[Marengo Township, McHenry County, Illinois|Marengo]], [[Seneca Township, McHenry County, Illinois|Seneca]], [[Coral Township, McHenry County, Illinois|Coral]], [[Riley Township, McHenry County, Illinois|Riley]] | subdivision_type4 = | subdivision_name4 = | established_title = Founded | established_date = 1835 | established_title1 = | established_date1 = | established_title2 = | established_date2 = | established_title3 = | established_date3 = | established_title4 = | established_date4 = | established_title5 = | established_date5 = | established_title6 = | established_date6 = | established_title7 = | established_date7 = | extinct_title = | extinct_date = | founder = | named_for = | seat_type = | seat =