A look back at national, state and local history from this week in years past.
National history
April 24, 1800 - The Library of Congress was established.
April 25, 1859 - Construction of the Suez Canal begins.
April 29, 1945 - US Troops Liberated Dachau Concentration Camp.
Dachau was originally opened in 1933 and was the first regular Concentration Camp built by the Nazi Party. Dachau became the model …