Identify row containing min date for multiple references, then mark each ref with this date

[Corp_exceller]

Looking to get the below, so that I can get a seperate column showing earliest date which will act as a creation date

Code	Date	New earliest date
1	JUN 22	MAR 22
1	APR 22	MAR 22
1	SEPT 22	MAR 22
1	MAR 22	MAR 22
2	JAN 22	NOV 21
2	FEB 22	NOV 21
2	NOV 21	NOV 21
2	DEC 21	NOV 21

 

[Peter_SSs]

22 09 08.xlsm
	A	B	C
1	Code	Date	New earliest date
2	1	Jun-22	Mar-22
3	1	Apr-22	Mar-22
4	1	Sep-22	Mar-22
5	1	Mar-22	Mar-22
6	2	Jan-22	Nov-21
7	2	Feb-22	Nov-21
8	2	Nov-21	Nov-21
9	2	Dec-21	Nov-21
Earliest date

Cell Formulas
Range	Formula
C2:C9	C2	=AGGREGATE(15,6,B$2:B$9/(A$2:A$9=A2),1)