http://www.c-span.org/ has been crawled 2,326 times going all the way back to October 18, 1996.

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

2 snapshots

5

January 6, 2011

1 snapshot

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January 8, 2011

1 snapshot

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January 9, 2011

1 snapshot

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January 12, 2011

3 snapshots

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January 16, 2011

1 snapshot

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January 19, 2011

2 snapshots

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January 26, 2011

2 snapshots

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January 29, 2011

2 snapshots

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Feb

February 1, 2011

1 snapshot

1

February 2, 2011

2 snapshots

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February 3, 2011

3 snapshots

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February 9, 2011

2 snapshots

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February 16, 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 23, 2011

3 snapshots

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February 24, 2011

1 snapshot

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Mar
1

March 2, 2011

1 snapshot

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March 3, 2011

2 snapshots

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March 6, 2011

1 snapshot

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March 8, 2011

2 snapshots

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March 10, 2011

2 snapshots

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March 16, 2011

1 snapshot

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March 23, 2011

1 snapshot

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March 24, 2011

1 snapshot

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March 30, 2011

1 snapshot

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Apr
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April 5, 2011

2 snapshots

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April 7, 2011

1 snapshot

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April 13, 2011

1 snapshot

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April 19, 2011

1 snapshot

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April 21, 2011

1 snapshot

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April 24, 2011

1 snapshot

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April 27, 2011

1 snapshot

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April 29, 2011

1 snapshot

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May
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May 4, 2011

1 snapshot

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May 5, 2011

3 snapshots

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May 9, 2011

1 snapshot

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May 11, 2011

2 snapshots

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May 12, 2011

1 snapshot

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May 14, 2011

1 snapshot

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May 18, 2011

1 snapshot

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May 19, 2011

1 snapshot

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May 24, 2011

1 snapshot

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May 25, 2011

1 snapshot

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May 26, 2011

1 snapshot

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May 31, 2011

1 snapshot

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Jun

June 1, 2011

1 snapshot

1

June 2, 2011

1 snapshot

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June 5, 2011

1 snapshot

5
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June 8, 2011

1 snapshot

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June 9, 2011

1 snapshot

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June 21, 2011

3 snapshots

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June 23, 2011

3 snapshots

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June 24, 2011

1 snapshot

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June 29, 2011

2 snapshots

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Jul
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July 5, 2011

2 snapshots

5

July 6, 2011

1 snapshot

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July 8, 2011

1 snapshot

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July 10, 2011

2 snapshots

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July 12, 2011

1 snapshot

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July 16, 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 24, 2011

1 snapshot

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July 25, 2011

3 snapshots

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July 27, 2011

1 snapshot

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Aug
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Sep
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Oct
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Nov
1
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Dec
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Note

This calendar view maps the number of times http://www.c-span.org/ was crawled by the Wayback Machine, not how many times the site was actually updated. More info in the FAQ.