April 19 marks the 20th anniversary of the Waco, Texas, massacre of Branch Davidian church members at the organization's Mount Carmel compound. Some 82 Davidians (including 26 children) and four ATF agents were killed in two related episodes.

April 18 is the 238th anniversary of the ride of Paul Revere to warn patriots of the march of British soldiers toward Lexington and Concord.

Today is the 75th anniversary of the infamous rigged Anschluss election, where 99 percent of German voters supposedly approved the Nazi takeover of Austria.

Seventy-one years ago today an overzealous general, following unconstitutional orders from his commander-in-chief, started sending American citizens living in California to internment camps outside the state for the crime of being Japanese.

During World War II, Polish Catholic social worker Irena Sendler risked her life to save thousands of Jewish children from the Warsaw Ghetto.