Patriotic Symbols of the U.S.

Pledge of Allegiance

Flag Day (June 14)

History of the American Flag

Flag Day & Flag Etiquette (Military.com)

Guidelines for Display of the Flag (U.S. Dept. of Veterans Affairs)

National Flag Day Foundation

Flag Day (Library of Congress) | Flag Day for Kids (Library of Congress) | Betsy Ross Home Page |

Official Flags of the United States [13-star to 50-star]

Patriot Day and National Day of Service and Remembrance (September 11)

The Only Time NATO Invoked Article 5 of the North Atlantic Treaty Was After 9/11 (North Atlantic Treaty Organization)

Patriot Day and National Day of Service and Remembrance (Presidential Proclamation, WhiteHouse.gov)

9/11 Memorial & Museum | National Day of Service and Remembrance (AmeriCorps) |

Hidden Stories, Hidden Voices (National Museum of American History / Behring Center) [Smithsonian Institution]

Book

The Only Plane in the Sky: An Oral History of 9/11 by Garrett M. Graff ("The first comprehensive oral history of September 11, 2001" [Publisher's site]) | Publisher: Avid Reader Press / Simon & Schuster (September 8, 2020) | Length: 528 pages | ISBN13: 9781501182211 |

Documentary videos

9/11 [A CNN film directed, filmed, and executive produced by Gédéon and Jules Naudet, French-born filmmakers and brothers, and by retired Manhattan firefighter James Hanlon.]

9/11: Attack on America (History Channel) |

9/11: One Day in America (Natl. Geographic)

September 11 (Smithsonian)

America After 9/11 (PBS Frontline)

Patriot Day Federal Law (Designates September 11 as Patriot Day. Requests the President to issue a proclamation each year regarding the observation of Patriot Day and the display of the U.S. flag at half staff in honor of individuals who lost their lives as a result of the terrorist attacks of September 11, 2001.)

The September 11 Digital Archive: Saving the Histories of September 11, 2001

The September 11 Digital Archive uses electronic media to collect, preserve, and present the history of September 11, 2001 and its aftermath. The Archive contains more than 150,000 digital items.... (Roy Rosenzweig Center for History and New Media and American Social History Project/Center for Media and Learning)

September 11th Families' Association

United States Capitol Attack (January 6)

2021 United States Capitol attack (Wikipedia) | Timeline of the 2021 United States Capitol attack (Wikipedia) |

Breach of U.S. Capitol during electoral vote count (January 6, 2021) (Ballotpedia.org)

January 6, 2021: The day as it happened (MSNBC)

Pro-Trump mob breaks into US Capitol: Watch Must-see moments from a dark day in America (CNN)

Aftermath of the January 6, 2021, breach of the U.S. Capitol (Ballotpedia)

Smithsonian Continues Collecting Artifacts From Jan. 6 Capitol Attack (Smithsonian)

Select Committee to Investigate the January 6th Attack on the United States Capitol (U.S. House of Representatives)

The Law Enforcement Experience on January 6th (U.S. House Committee Hearing)

January 6 Committee with Capitol and D.C. Police (C-SPAN Committee Hearing)

ONE YEAR LATER