Nothing from Sunday 9th August, 2020 to Friday 9th October, 2020.
Outlook will add this to Other Calendars.
iOS offers to copy events to your calendar. You won’t get updates if you do this. Instead, copy the link (long-press, the choose Copy from the menu) then go to Settings, Passwords & Accounts, Add Account, Other, Add Subscribed Calendar and paste in the the link (https://calendar.google.com/calendar/ical/tgp1tdt9ib8n3e6f9h6kc5cmck%40group.calendar.google.com/public/basic.ics).