Landmark events are significant occurrences that have a lasting impact on society, culture, or history. These events can include major political changes, scientific breakthroughs, or cultural milestones. Examples of landmark events include the signing of the Declaration of Independence, the first moon landing in 1969, and the fall of the Berlin Wall in 1989. Such events often serve as turning points, shaping the future and influencing public opinion. They can inspire movements, change laws, or alter the course of nations. Landmark events are remembered and studied for their importance in understanding the past and their implications for the future.