In 2021, HMGS was again unable to hold Historicon during the usual mid-July timeframe; however, instead of cancelling again, they held it in mid-November, replacing the Fall In! convention that usually occurs at that time.
ɪn tˈuː θˈaʊzənd twˈɛnti wˈʌn, ˌeɪtʃˌɛmdʒˌiːˈɛs wʌz ɐɡˈɛn ʌnˈeɪbəl tə hˈoʊld hˈɪstoːɹˌɪkən dˈʊɹɹɪŋ ðə jˈuːʒuːəl mˈɪddʒuːlˈaɪ tˈaɪmfɹeɪm; haʊˈɛvɚ, ɪnstˈɛd ʌv kˈænsəlɪŋ ɐɡˈɛn, ðeɪ hˈɛld ɪɾ ɪn mˈɪdnoʊvˈɛmbɚ, ɹᵻplˈeɪsɪŋ ðə fˈɔːl ˈɪn! kənvˈɛnʃən ðæt jˈuːʒuːəli əkˈɜːz æt ðæt tˈaɪm.