This query will bring back the last user update to every table in the database you're connected to.
use [dbname]
go
SELECT last_user_update,
t.name
FROM sys.dm_db_index_usage_stats us
JOIN sys.tables t
ON t.object_id = us.object_id
WHERE database_id = db_id()
and cast(last_user_update as date) >= cast('2018-05-09' as date)
order by last_user_update desc