BanglaCapsule | Bangladesh History on  Apr 19

1971 Shahidnagar massacre – on this day, 21 freedom fighters, over 100 innocent villagers were killed by Pakistani troops at Shahidnagar village in Shanthia upazilla in Pabna after a frontal fight with freedom fighters.
Google | Shahidnagar Massacre Timeline
1972 Bangladesh becomes a member of British Commonwealth.
Google | British Commonwealth Timeline
1999 India and Bangladesh border guards had a shootout that left 6 people dead and 60 wounded.
Google | Bangladesh India Relations Timeline
2001 Agricultural crops of 5 thousand hector and around 3000 houses, shops and institution were damaged to the storm and nor waster at five unions of Chandina and Daudkandi district. 2 people died and more than 200 were injured.
Google | Natural Disasters in Bangladesh Timeline
2008 18 persons killed and 55 injured when a passenger bus skidded off the road and fell on the railway on Jamuna Bridge approach road in Kalihati upazila of Tangail.
Google | Road and Railway Accidents in Bangladesh Timeline