BanglaCapsule | Bangladesh History on  Feb 24

1952 The Pakistan government gives full authority to the police and military to bring the situation in Dhaka back to normal within 48 hours. During these 48 hours the police arrested many students and political leaders associated with the language movement.
Google | Bengali Language Movement Timeline

1971 Sheikh Mujibur Rahman announced that there was a conspiracy to undermine the election results.
Google | Sheikh Mujibur Rahman Timeline

1974 Pakistan officially recognizes Bangladesh as an independent nation.
Google | Bangladesh Pakistan Relations Timeline