History of CR 510.1

Every distinct wording since 2010, newest first.

May 3, 2019 · War of the Spark
First, the active player announces how each attacking creature assigns its combat damage, then the defending player announces how each blocking creature assigns its combat damage. This turn-based action doesn’t use the stack. A player assigns a creature’s combat damage according to the following rules:
January 25, 2019 · Ravnica Allegiance
First, the active player announces how each attacking creature assigns its combat damage, then the defending player announces how each blocking creature assigns its combat damage. This turn-based action doesn't use the stack. A player assigns a creature's combat damage according to the following rules:
February 1, 2014 · Born of the Gods
First, the active player announces how each attacking creature assigns its combat damage, then the defending player announces how each blocking creature assigns its combat damage. This turn-based action doesn’t use the stack. A player assigns a creature’s combat damage according to the following rules:
September 30, 2011 · Innistrad
First, the active player announces how each attacking creature assigns its combat damage, then the defending player announces how each blocking creature assigns its combat damage. This turn-based action doesn't use the stack. A player assigns a creature's combat damage according to the following rules:
June 17, 2011 · Commander 2011
First, the active player announces how each attacking creature assigns its combat damage, then
April 1, 2011 · Duel Decks: Knights vs. Dragons
First, the active player announces how each attacking creature assigns its combat damage, then the defending player announces how each blocking creature assigns its combat damage. This turn-based action doesn't use the stack. A player assigns a creature's combat damage according to the following rules:
February 4, 2011 · Mirrodin Besieged
First, the active player announces how each attacking creature assigns its combat damage, then the defending player announces how each blocking creature assigns its combat damage. This turn-based action doesn’t use the stack. A player assigns a creature’s combat damage according to the following rules:
October 1, 2010 · Scars of Mirrodin
First, the active player announces how each attacking creature assigns its combat damage, then
February 1, 2010 · Worldwake
First, the active player announces how each attacking creature assigns its combat damage, then the defending player announces how each blocking creature assigns its combat damage. This turn-based action doesn't use the stack. A player assigns a creature's combat damage according to the following rules: