when was the last bitcoin halvening

The 4th halving event occurred on April 20, 2024 after 840,000 blocks had been mined. The block reward decreased from 6.25 to 3.125 coins per block.

HALVING # DATE HEIGHT REWARD
0
1/3/2009
0
50
1
11/28/2012
210000
25
2
7/9/2016
420000
12.5
3
5/11/2020
630000
6.25
4
4/20/2024
840000
3.125
5
4/20/2028
1050000
1.5625