👉 Sesquicentennially, a phrase used in history to describe a period of significant change or development that occurs over a 100 years. It is often associated with events such as revolutions, wars, scientific advancements, and cultural transformations that have marked the modern world. For example: - In the 20th century, the term "sesquicentennial" was used to describe the period between World War II and the end of the Cold War, which saw
