8. The Druids celebrated the summer solstice with the Festival of Litha.
Litha celebrates the power of the sun and the abundance of summer. The ancient Druids, who worshipped Nature, celebrated this festival with the crowning of the Oak King (the god of the waxing year).

9. Midsummer is also the summer solstice.
Midsummer is another name for the summer solstice. It celebrates the sun at its zenith and the abundance of summer foods with outdoor celebrations and festivities both formal and casual.