EntityQ2609436· pop 19· linked from 22 articlesDalton MinimumSign in to savePeriod of low solar activity from 1790 to 1830ConnectionsJohn DaltonEntitysunspotEntityTamboraEntityvolcanismEntityYear Without a SummerEntityVolcanic Explosivity IndexEntitysolar cycleEntityMaunder MinimumEntity1815 eruption of Mount TamboraEntitySpörer MinimumEntitysolar phenomenaEntityEzra AmesEntitySolar cycle 4EntitySolar cycle 7EntityCategories1790s in science19th century in scienceHistory of climate variability and changeSolar phenomena