The summer solstice is the longest, er longest day of the year in the northern hemisphere at least. What date is saint patrick's day? Which is an important date for the irish? And what about what date is halloween? Halloween is the 30 first of october, isn't it? Ye. We've done the months, and we've done the talking about dates and things. Let's now talk about festivals throughout the year. The following information is based on an article by the british council. This list includes traditional events, sporting events, and also some major music festivals in the u k.