'Partition Horrors Remembrance Day' is primarily associated with the memory of which event?

'Partition Horrors Remembrance Day' is observed in India on August 14, commemorating the displacement, violence, and human tragedy associated with the Partition of 1947. The Government of India announced this observance in 2021; its objective is to convey a message of social harmony, unity, and peace while honoring the memory of the victims of the Partition.