• H-Historical Society Founders Day Celebration/Open House

    Thankful Arnold House 14 Hayden Hill Road, Haddam, CT, United States

    H-Historical Society Founders Day Celebration/Open House.  2:00 p.m. - 4:00 p.m.  Thankful Arnold House. https://hk-now.com/2026/10/23/hhs-to-host-founders-day-open-house-november-7th/

  • H-Historical Society Fashion Flashback

    Thankful Arnold House 14 Hayden Hill Road, Haddam, CT, United States

    H-Historical Society Fashion Flashback.  1:00 p.m. - 2:30 p.m.  Thankful Arnold House. https://hk-now.com/2026/10/24/hhs-hosts-fashion-flashback-november-15th/