Open SQL server and write following query;
  
- SELECT a.Name AS [DB_Name],  
-   
- COALESCE(CONVERT(VARCHAR(12), MAX(b.backup_finish_date), 101), '-') AS LastBackup  
-   
- FROM sys.sysdatabases a  
-   
- LEFT OUTER JOIN msdb.dbo.backupset b ON b.database_name = a.name  
-   
- GROUP BY a.Name  
  The above query will show the last backup data of all databases as you can see it in following image.
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