http://ocw.mit.edu has been crawled 673 times going all the way back to October 13, 2002.

A crawl can be a duplicate of the last one. It happens about 25% of the time across 420,000,000 websites. FAQ

Jan
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January 5, 2011

1 snapshot

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January 12, 2011

1 snapshot

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January 23, 2011

1 snapshot

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January 26, 2011

2 snapshots

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January 27, 2011

1 snapshot

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January 29, 2011

2 snapshots

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Feb

February 1, 2011

1 snapshot

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February 2, 2011

2 snapshots

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February 3, 2011

1 snapshot

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February 5, 2011

2 snapshots

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February 7, 2011

1 snapshot

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February 11, 2011

1 snapshot

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February 15, 2011

1 snapshot

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February 19, 2011

1 snapshot

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February 22, 2011

1 snapshot

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February 28, 2011

1 snapshot

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Mar

March 1, 2011

1 snapshot

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March 4, 2011

1 snapshot

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March 5, 2011

1 snapshot

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March 6, 2011

1 snapshot

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March 8, 2011

1 snapshot

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March 9, 2011

1 snapshot

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March 11, 2011

1 snapshot

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March 15, 2011

1 snapshot

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March 22, 2011

1 snapshot

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March 25, 2011

1 snapshot

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March 29, 2011

1 snapshot

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Apr

April 1, 2011

1 snapshot

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April 3, 2011

1 snapshot

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April 5, 2011

1 snapshot

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April 9, 2011

1 snapshot

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April 11, 2011

1 snapshot

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April 12, 2011

1 snapshot

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April 19, 2011

1 snapshot

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April 26, 2011

1 snapshot

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April 29, 2011

1 snapshot

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May
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May 3, 2011

1 snapshot

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May 8, 2011

2 snapshots

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May 10, 2011

1 snapshot

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May 13, 2011

1 snapshot

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May 14, 2011

1 snapshot

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May 17, 2011

1 snapshot

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May 22, 2011

1 snapshot

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May 24, 2011

1 snapshot

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May 31, 2011

1 snapshot

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Jun
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June 3, 2011

1 snapshot

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June 4, 2011

1 snapshot

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June 5, 2011

1 snapshot

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June 7, 2011

1 snapshot

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June 10, 2011

1 snapshot

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June 11, 2011

1 snapshot

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June 14, 2011

2 snapshots

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June 15, 2011

1 snapshot

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June 17, 2011

1 snapshot

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June 20, 2011

1 snapshot

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June 21, 2011

1 snapshot

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June 23, 2011

1 snapshot

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June 24, 2011

1 snapshot

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June 29, 2011

1 snapshot

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Jul
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July 5, 2011

1 snapshot

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July 8, 2011

2 snapshots

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July 17, 2011

1 snapshot

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July 19, 2011

1 snapshot

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July 20, 2011

1 snapshot

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July 21, 2011

1 snapshot

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July 25, 2011

1 snapshot

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Aug
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Sep
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Oct
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Nov
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Dec
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Note

This calendar view maps the number of times http://ocw.mit.edu was crawled by the Wayback Machine, not how many times the site was actually updated. More info in the FAQ.