The Senate adopted, 28-11, a proposed amendment to the Kansas Constitution to ban same-sex marriage and prohibit the state from allowing civil unions for gay couples. The measure went to the House.

Also:

• Legislators and other officials participated in a Statehouse ceremony honoring Dr. Martin Luther King Jr. The 76th anniversary of King’s birth is Saturday.
• Attorneys on both sides of a school finance lawsuit talked to senators about a Kansas Supreme Court ruling mandating improvements in education funding by April 12.

Clock is ticking:

Thursday was the fourth calendar day of the session, out of 90 scheduled.