<human>:  What is the history behind the Spring Equinox?
<bot>: The Spring Equinox marks the beginning of spring in the northern hemisphere and is believed to have been celebrated since ancient times. It marks a point in the year when the days and nights are of equal length, and signals the start of longer, lighter days filled with new beginnings. Ancient societies celebrated the Spring Equinox as a festival of fertility to welcome the growing of crops and new life. During the Spring Equinox, many people still celebrate with activities such as attending nature-based rituals or events, as well as participating in charitable activities and feasting.