Scheduled Maintenance: We are undertaking some essential and extensive maintenance to improve the Yahoo!7 Calendar. This means your Group Calendar is being migrated to a much improved version of Yahoo!7 Calendar. During the maintenance period, you may not have access to your Groups Calendar for several hours and we sincerely apologise for this inconvenience. Your Groups Calendar is in great shape and we are working to have it available again as quickly as possible. Your patience is appreciated - Yahoo!7 Groups & Yahoo!7 Calendar Team