https://www.lexisnexis.com/constitution/amendments_howitsdone.asp

All 27 Amendments have been ratified after two-thirds of the House and Senate approve of the proposal and send it to the states for a vote. Then, three-fourths of  ...

https://www.archives.gov/federal-register/constitution

Aug 15, 2016 ... The authority to amend the Constitution of the United States is derived ... None of the 27 amendments to the Constitution have been proposed ...

http://www.ncsl.org/research/about-state-legislatures/amending-the-u-s-constitution.aspx

Current efforts by some state legislatures and other groups to amend the U.S. Constitution have brought forth questions about the process for doing so.

https://en.wikipedia.org/wiki/Article_Five_of_the_United_States_Constitution

All 33 amendments submitted to the states for ratification ... to it. Both these precedents have been followed ever since.

https://bensguide.gpo.gov/j-ways-to-amend-constitution

To propose amendments, two-thirds of both houses of Congress can vote to propose an amendment, or two-thirds of the state legislatures can ask Congress to ...

https://www.trumanlibrary.org/whistlestop/teacher_lessons/3branches/15b.htm

Adding a New Amendment to the United States Constitution ... would allow voluntary school prayer, make English the country's official language, and abolish the ...

https://constitutioncenter.org/interactive-constitution/articles/article-v

Originalism: An Essential Ingredient of the Constitutional Amendment ... the Congress; Provided that no Amendment which may be made prior to the Year One ...

https://www.washingtonpost.com/opinions/there-are-four-not-two-ways-to-amend-the-constitution/2016/08/18/058afcf2-6420-11e6-b4d8-33e931b5a26d_story.html

Aug 18, 2016 ... Only the 21st Amendment, which repealed Prohibition, was passed in this manner. (3) Two-thirds of the state legislatures call on Congress to hold a ... Limited time offer: Get unlimited digital access for less than $1/week.

https://ballotpedia.org/Amending_state_constitutions

Court rulings can change (amend) a state's constitution. One way a court ruling can do this is when a federal court decides that a voter-approved amendment to ...

https://www.khanacademy.org/humanities/us-government-and-civics/us-gov-foundations/us-gov-ratification-of-the-us-constitution/a/article-v-and-the-amendment-process

As the United States has continued to grow and face unique challenges brought on through modern warfare, alliances, and technology, some critics have ...