Vanguard International Core Stock Fund

Supplement Dated October 1, 2019, to the Prospectus and Summary Prospectus Dated October 1, 2019

Subscription Period

Vanguard International Core Stock Fund will hold a subscription period from October 1, 2019, through October 15, 2019. During this period, the Fund will invest in money market instruments or hold its assets in cash rather than seek to achieve its investment objective. This strategy should allow the Fund to accumulate sufficient assets to construct a complete portfolio and is expected to reduce initial trading costs.

The Fund reserves the right to terminate or extend its subscription period prior to October 15, 2019.

During the subscription period, you may invest in the Fund online (if you are registered for online access) or you may contact Vanguard by telephone or by mail to complete this transaction. Please see the Investing With Vanguard section of the prospectus for more details about requesting transactions.

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PS 2404 102019