Seattle Marks Summer Solstice With Whimsical Parade Posted on 06/19/2023 by Corts June 21 marks the longest day of the year in the Northern Hemisphere – in Seattle, Washington, the summer solstice was celebrated this past weekend with the annual Fremont Solstice Parade. Natasha Mozgovaya has more. … Click to share on Telegram (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on X (Opens in new window)