Part of Hindu Kush is higher than the Himalayas.
 According to Gavin Flood, "The actual term Hindu first occurs as a Persian geographical term for the people who lived beyond the river Indus (Sanskrit: Sindhu)", more specifically in the 6th-century BCE inscription of Darius I (550486 BCE)
 After the separation of India and Pakistan in 1947, the Hindu nationalism movement developed the concept of Hindutva in second half of the 20th century

