Detailed Instructions: Classify the relation of question with context to one of these categories: 1) award received, 2) based on, collection, 3) conflict, 4) constellation, 5) convicted of, 6) date of death, 7) director, 8) drafted by, 9) educated at, 10) medical condition, 11) military branch, 12) narrative location, 13) occupation, 14) original network, 15) parent company, 16) point in time, 17) production company, 18) residence, 19) series, 20) service entry, 21) sex or gender, 22) spouse, 23) standards body question.
Q: Context : Jathibhanga massacre (Bengali: জাঠিভাঙ্গা হত্যাকান্ড) was a massacre of the emigrating Bengali population in the Jathibhanga area of Shukhanpukuri Union under Thakurgaon sub-division of greater Dinajpur district on 23 April 1971 by the Pakistani Army in collaboration with the Razakars. 
Question : The date of Jathibhanga massacre was what?
A:
point in time